Have you ever tried to describe something that feels like it could never happen? Maybe you want to explain an impossible dream, an unlikely event, or a task that seems far beyond reach. That is where similes for impossible can make your writing much more vivid.
A simile compares two different things using words such as “like” or “as.” Instead of simply saying, “The task was impossible,” you might say, “The task was like climbing a mountain with no path.” Suddenly, the reader can picture the struggle.
In simple terms, similes help turn a plain idea into a strong image. They are useful in stories, poems, essays, speeches, and everyday conversations. For example, creative writing similes can make an impossible goal feel distant, mysterious, difficult, or even amusing.
So, if you are looking for the meaning of similes and want to learn how to use similes in writing, you are in the right place. Let’s explore 50 creative simile sentences that describe things that seem impossible.
50 Similes for Impossible
1. Impossible Like Climbing a Mountain Without a Path
Meaning: Something extremely difficult or seemingly impossible to achieve.
Explanation: This simile compares an impossible task to climbing a mountain when there is no clear route to follow.
Examples:
Finishing the huge project in one hour was like climbing a mountain without a path.
Finding a solution felt like climbing a mountain without a path.
2. As Impossible as Catching the Wind
Meaning: Something that cannot easily be captured or achieved.
Explanation: Wind moves freely and cannot be held, making it a strong image for an impossible goal.
Examples:
Trying to stop every mistake was as impossible as catching the wind.
Her dream seemed as impossible as catching the wind.
3. Like Reaching the Stars With Bare Hands
Meaning: A goal that seems far beyond human ability.
Explanation: The stars are incredibly distant, so reaching them with bare hands represents an unrealistic goal.
Examples:
Winning without any preparation felt like reaching the stars with bare hands.
His plan sounded like reaching the stars with bare hands.
4. As Impossible as Swimming Across the Sky
Meaning: Something that cannot realistically happen.
Explanation: Swimming requires water, while the sky offers no place to swim, creating a clear picture of impossibility.
Examples:
Completing all that work in five minutes was as impossible as swimming across the sky.
Changing the past is as impossible as swimming across the sky.
5. Like Building a House on a Cloud
Meaning: An idea or plan without a realistic foundation.
Explanation: A cloud cannot support a house, so this simile describes something with no practical support.
Examples:
His plan was like building a house on a cloud.
Trying to succeed without a plan felt like building a house on a cloud.
6. As Impossible as Counting Every Grain of Sand
Meaning: A task that is far too difficult or endless to complete.
Explanation: There are countless grains of sand, making them impossible to count individually.
Examples:
Listing every problem was as impossible as counting every grain of sand.
Remembering every detail was as impossible as counting every grain of sand.
7. Like Finding a Needle in an Ocean
Meaning: Something extremely difficult to find.
Explanation: An ocean is enormous, so locating one tiny needle inside it would be nearly impossible.
Examples:
Finding the missing key was like finding a needle in an ocean.
Searching for one error in thousands of pages was like finding a needle in an ocean.
8. As Impossible as Holding a Shadow
Meaning: Something that cannot be physically achieved or controlled.
Explanation: A shadow can be seen but cannot be held, making it a useful comparison for an impossible task.
Examples:
Trying to capture the moment was as impossible as holding a shadow.
Keeping every memory forever is as impossible as holding a shadow.
9. Like Chasing the Horizon
Meaning: Pursuing something that always remains out of reach.
Explanation: No matter how far you travel, the horizon seems to move farther away.
Examples:
Trying to reach perfection felt like chasing the horizon.
His endless search for the perfect answer was like chasing the horizon.
10. As Impossible as Reversing a River
Meaning: Something extremely difficult or impossible to change.
Explanation: A river naturally flows in one direction, so turning it backward creates a powerful image.
Examples:
Changing what happened yesterday was as impossible as reversing a river.
Undoing every mistake felt as impossible as reversing a river.
11. Like Trying to Stop the Ocean With a Cup
Meaning: An effort that is far too small for the problem.
Explanation: A tiny cup cannot stop the enormous ocean, showing how powerless an action can be.
Examples:
One person fixing the entire system was like trying to stop the ocean with a cup.
His small effort seemed like trying to stop the ocean with a cup.
12. As Impossible as Making Snow Burn
Meaning: Something that goes against what is naturally expected.
Explanation: Snow melts when exposed to heat, so making it burn creates an impossible image.
Examples:
Making everyone agree was as impossible as making snow burn.
His request sounded as impossible as making snow burn.
13. Like Asking the Moon to Come Down
Meaning: Asking for something unrealistic or unreachable.
Explanation: The moon is far away, so asking it to come down represents an unreasonable request.
Examples:
Getting everything done today was like asking the moon to come down.
His demand was like asking the moon to come down.
14. As Impossible as Teaching a Stone to Dance
Meaning: Something that cannot reasonably be accomplished.
Explanation: A stone cannot move by itself, making it a humorous comparison for impossibility.
Examples:
Trying to change his stubborn mind was as impossible as teaching a stone to dance.
Making the broken machine work felt as impossible as teaching a stone to dance.
15. Like Unlocking a Door Without a Key
Meaning: Trying to accomplish something without the necessary means.
Explanation: Without a key, opening a locked door becomes extremely difficult.
Examples:
Solving the puzzle without clues was like unlocking a door without a key.
Getting the information without access was like unlocking a door without a key.
16. As Impossible as Catching Lightning in Your Hands
Meaning: Something too powerful, fast, or unpredictable to control.
Explanation: Lightning cannot safely be caught by hand, making it a vivid image of impossibility.
Examples:
Trying to control every outcome was as impossible as catching lightning in your hands.
Stopping the sudden change felt as impossible as catching lightning in your hands.
17. Like Building a Bridge to the Moon
Meaning: A goal that is far beyond practical reach.
Explanation: A bridge to the moon is not realistically possible, so it represents an extreme challenge.
Examples:
Finishing everything alone felt like building a bridge to the moon.
His plan sounded like building a bridge to the moon.
18. As Impossible as Emptying the Ocean With a Spoon
Meaning: A seemingly endless task with little chance of completion.
Explanation: A spoon is far too small to empty an ocean, emphasizing the enormous scale of the task.
Examples:
Cleaning the entire warehouse alone was as impossible as emptying the ocean with a spoon.
Fixing every issue in one day felt as impossible as emptying the ocean with a spoon.
19. Like Walking Through a Wall
Meaning: Trying to overcome an obstacle that seems impossible to pass.
Explanation: A solid wall cannot normally be walked through, making it a clear picture of an impossible barrier.
Examples:
Getting past the security system was like walking through a wall.
Changing the final decision felt like walking through a wall.
20. As Impossible as Teaching a Bird to Forget Flying
Meaning: Trying to make something abandon its natural behavior.
Explanation: Flying is natural to many birds, so asking one to forget it creates an impossible image.
Examples:
Making her forget her passion was as impossible as teaching a bird to forget flying.
Stopping his curiosity was as impossible as teaching a bird to forget flying.
21. Like Finding Darkness in the Sun
Meaning: Searching for something that seems completely out of place.
Explanation: Bright sunlight and darkness represent opposite conditions.
Examples:
Finding a secret in the obvious evidence was like finding darkness in the sun.
Trying to hide the truth was like finding darkness in the sun.
22. As Impossible as Making Time Stand Still
Meaning: Trying to stop the passage of time.
Explanation: Time continues moving forward, so stopping it represents an impossible wish.
Examples:
Keeping that perfect moment forever was as impossible as making time stand still.
Growing up can feel as impossible as making time stand still.
23. Like Turning Back the Clock of History
Meaning: Trying to undo something that has already happened.
Explanation: History cannot simply be reversed, making this a strong comparison for impossible change.
Examples:
Fixing the past was like turning back the clock of history.
Undoing every old mistake felt like turning back the clock of history.
24. As Impossible as Planting a Seed in the Sky
Meaning: Attempting something without the conditions needed for success.
Explanation: Seeds need suitable ground to grow, not empty sky.
Examples:
Starting the project without resources was as impossible as planting a seed in the sky.
Expecting results without effort is as impossible as planting a seed in the sky.
25. Like Trying to Paint the Wind
Meaning: Trying to capture or control something that constantly moves.
Explanation: Wind has no solid shape, so painting it directly is impossible.
Examples:
Describing every emotion was like trying to paint the wind.
Trying to control her feelings was like trying to paint the wind.
26. As Impossible as Counting the Stars in One Night
Meaning: A task that is too large to finish in a limited amount of time.
Explanation: The countless stars create an image of an overwhelming task.
Examples:
Reading all those books today was as impossible as counting the stars in one night.
Memorizing every fact was as impossible as counting the stars in one night.
27. Like Asking a Mountain to Move
Meaning: Requesting something that is far beyond normal ability.
Explanation: Mountains are massive and cannot simply move because someone asks them to.
Examples:
Solving the entire problem alone was like asking a mountain to move.
His request felt like asking a mountain to move.
28. As Impossible as Making a Broken Mirror Whole
Meaning: Trying to completely restore something damaged.
Explanation: A broken mirror may be repaired, but returning every piece perfectly to its original state is difficult.
Examples:
Repairing their damaged friendship felt as impossible as making a broken mirror whole.
Recovering every lost detail was as impossible as making a broken mirror whole.
29. Like Trying to Hold Water in Your Fist
Meaning: Trying to keep or control something that naturally escapes.
Explanation: Water slips through your fingers, making it a good image for something impossible to hold onto.
Examples:
Trying to keep every moment was like trying to hold water in your fist.
Controlling every change was like trying to hold water in your fist.
30. As Impossible as Finding an End to Infinity
Meaning: Something that has no natural ending.
Explanation: Infinity has no final point, so finding its end is impossible.
Examples:
Trying to answer every question was as impossible as finding an end to infinity.
Her curiosity seemed as impossible as finding an end to infinity.
31. Like Climbing an Endless Staircase
Meaning: A task that seems to have no finish.
Explanation: An endless staircase provides a strong picture of continuous effort without reaching the top.
Examples:
Fixing every problem felt like climbing an endless staircase.
The long assignment seemed like climbing an endless staircase.
32. As Impossible as Making a Fish Walk on Land
Meaning: Something that goes against natural ability.
Explanation: Fish are built for water, so walking normally on land creates an impossible image.
Examples:
Expecting him to master everything instantly was as impossible as making a fish walk on land.
Changing her natural personality was as impossible as making a fish walk on land.
33. Like Reaching for a Star Through a Closed Window
Meaning: Wanting something that looks close but remains unreachable.
Explanation: A star may appear visible through a window, yet it is still impossibly far away.
Examples:
His dream felt like reaching for a star through a closed window.
Getting that opportunity seemed like reaching for a star through a closed window.
34. As Impossible as Making Yesterday Tomorrow
Meaning: Trying to change the natural order of time.
Explanation: Yesterday has already passed and cannot become tomorrow.
Examples:
Changing the past was as impossible as making yesterday tomorrow.
Returning to that exact moment was as impossible as making yesterday tomorrow.
35. Like Searching for a Whisper in a Thunderstorm
Meaning: Trying to find something extremely small among overwhelming distractions.
Explanation: A quiet whisper would be nearly impossible to hear during a thunderstorm.
Examples:
Finding one quiet thought was like searching for a whisper in a thunderstorm.
Looking for one tiny clue was like searching for a whisper in a thunderstorm.
36. As Impossible as Catching a Dream Before Waking
Meaning: Trying to hold onto something temporary or intangible.
Explanation: Dreams often disappear when we wake, so catching one represents something unreachable.
Examples:
Remembering every dream was as impossible as catching a dream before waking.
Keeping that magical feeling forever was as impossible as catching a dream before waking.
37. Like Trying to Measure the Sky With a Ruler
Meaning: Attempting to measure something far too vast for the available tool.
Explanation: A ruler is tiny compared with the enormous sky.
Examples:
Measuring the full impact was like trying to measure the sky with a ruler.
Understanding every detail at once felt like trying to measure the sky with a ruler.
38. As Impossible as Filling a Bottomless Cup
Meaning: Trying to complete something that can never become full.
Explanation: A bottomless cup would always remain empty, making completion impossible.
Examples:
Trying to satisfy every demand was as impossible as filling a bottomless cup.
Collecting every piece of information felt as impossible as filling a bottomless cup.
39. Like Trying to Hear Silence in a Crowd
Meaning: Trying to find something difficult to detect because of surrounding noise.
Explanation: A crowded place makes true silence difficult to find or hear.
Examples:
Finding peace in the busy room was like trying to hear silence in a crowd.
Thinking clearly during the argument was like trying to hear silence in a crowd.
40. As Impossible as Making a Rainbow Stay in Your Pocket
Meaning: Trying to possess something beautiful but intangible.
Explanation: A rainbow can be seen but cannot be physically captured.
Examples:
Keeping that magical moment forever was as impossible as making a rainbow stay in your pocket.
Trying to capture pure happiness was as impossible as making a rainbow stay in your pocket.
41. Like Trying to Catch a Bird With Closed Eyes
Meaning: Attempting something without the ability or information needed.
Explanation: Closed eyes make it extremely difficult to see and catch a fast-moving bird.
Examples:
Solving the mystery without clues was like trying to catch a bird with closed eyes.
Finding the right answer without information felt like trying to catch a bird with closed eyes.
42. As Impossible as Finding a Path Through Solid Stone
Meaning: Facing an obstacle with no visible way forward.
Explanation: Solid stone offers no easy path, so it represents an overwhelming barrier.
Examples:
Getting through the complicated process was as impossible as finding a path through solid stone.
Changing the stubborn rule felt as impossible as finding a path through solid stone.
43. Like Trying to Tie a Knot in Smoke
Meaning: Trying to control something without a solid form.
Explanation: Smoke constantly changes shape and cannot be tied.
Examples:
Trying to control every rumor was like trying to tie a knot in smoke.
Keeping the situation stable felt like trying to tie a knot in smoke.
44. As Impossible as Making a Cloud Stay Still
Meaning: Trying to control something that naturally moves.
Explanation: Clouds drift with air currents, so forcing one to remain still is unrealistic.
Examples:
Trying to predict every change was as impossible as making a cloud stay still.
Controlling everyone’s choices was as impossible as making a cloud stay still.
45. Like Trying to Reach the End of the Road That Never Ends
Meaning: Pursuing a goal that seems to continue forever.
Explanation: A road with no ending creates an image of endless effort.
Examples:
Solving every problem felt like trying to reach the end of a road that never ends.
His search for perfection was like trying to reach the end of a road that never ends.
46. As Impossible as Making a Volcano Whisper
Meaning: Trying to make something naturally powerful become completely different.
Explanation: A volcano represents enormous force, while whispering suggests extreme quietness.
Examples:
Making the noisy crowd completely silent was as impossible as making a volcano whisper.
Changing his loud personality overnight seemed as impossible as making a volcano whisper.
47. Like Trying to Put the Ocean in a Bottle
Meaning: Attempting to contain something far too large.
Explanation: An ocean is enormous, while a bottle is tiny, creating a strong contrast.
Examples:
Trying to record every detail was like trying to put the ocean in a bottle.
Describing the entire experience in one sentence was like trying to put the ocean in a bottle.
48. As Impossible as Making a Shadow Disappear at Noon
Meaning: Trying to remove something that naturally remains present.
Explanation: Strong sunlight still creates shadows, so making one disappear completely can represent an impossible goal.
Examples:
Hiding every trace was as impossible as making a shadow disappear at noon.
Removing all evidence seemed as impossible as making a shadow disappear at noon.
49. Like Trying to Build a Castle From Fog
Meaning: Creating something from material that cannot provide a stable foundation.
Explanation: Fog has no solid structure, so it cannot support a real castle.
Examples:
Building a business without a plan was like trying to build a castle from fog.
Expecting success without preparation felt like trying to build a castle from fog.
50. As Impossible as Grabbing the Wind and Keeping It
Meaning: Trying to permanently control something that cannot be contained.
Explanation: Wind moves freely and cannot be held, making it a perfect image for something impossible to possess.
Examples:
Trying to control every future event was as impossible as grabbing the wind and keeping it.
Holding onto every passing moment is as impossible as grabbing the wind and keeping it.
Simile vs. Metaphor
Similes and metaphors both make writing more creative, but they work in slightly different ways.
A simile uses comparison words such as “like” or “as.”
Simile: The task was like climbing an endless mountain.
A metaphor makes a direct comparison without using “like” or “as.”
Metaphor: The task was an endless mountain.
In simple terms, a simile tells readers that one thing is like another. A metaphor says one thing is another. Both can make your writing stronger, but similes are often easier for beginners to create and understand.
How to Use Similes in Writing
You do not need complicated words to create strong similes. Start with the idea you want to describe. Then, ask yourself what it reminds you of.
For example, if something feels impossible, think about things that are difficult to catch, reach, hold, reverse, or control.
You might say:
- Impossible like catching the wind
- Impossible like reaching the stars
- Impossible like holding water in your hands
- Impossible like building a house on a cloud
The best simile sentences create a picture in the reader’s mind. Try to choose comparisons that match the feeling you want to express.
FAQs
What can I say instead of “impossible”?
You can say unachievable, unattainable, impractical, infeasible, hopeless, or out of the question, depending on the context.
How do you say “impossible” in a different way?
Instead of “impossible,” you can say not feasible, not achievable, beyond reach, out of reach, or cannot be done.
What is a synonym for “to make something impossible”?
Useful alternatives include prevent, prohibit, preclude, rule out, obstruct, or make unfeasible.
What is a synonym for “almost impossible”?
You can say highly unlikely, extremely difficult, nearly unattainable, virtually impossible, or next to impossible.
How do you say “not impossible”?
You can say possible, achievable, feasible, within reach, or not out of the question.
What are 5 strong synonyms?
Five strong synonyms for “impossible” are unattainable, unachievable, infeasible, insurmountable, and unworkable.
What is the formal way to say “impossible”?
In formal writing, use infeasible, impracticable, unattainable, unachievable, or not technically feasible, depending on the situation.
What is another way to say “not possible”?
Alternatives include cannot be done, infeasible, unworkable, unavailable, ruled out, or beyond reach.
What is another word for “next to impossible”?
You can use extremely unlikely, virtually impossible, highly improbable, exceedingly difficult, or almost unattainable.
What is an antonym of impossible?
Common antonyms include possible, achievable, feasible, attainable, practical, and doable.
What is a synonym for “impossible situation”?
You could say hopeless situation, untenable situation, difficult predicament, impossible predicament, or no-win situation, depending on the context.
Conclusion
Similes can turn a simple statement into an image that readers can see and feel. When you describe something as like catching the wind or as impossible as reaching the stars, your writing becomes more memorable.
The 50 examples above show different ways to express difficulty, distance, uncertainty, and impossibility. You can use these examples of similes in stories, poems, essays, classroom assignments, or creative writing.
Most importantly, do not be afraid to create your own comparisons. Look around you and think about what an impossible situation reminds you of. Then connect those ideas with like or as. With a little practice, writing similes can become easy, natural, and fun.
I am Jerry Spinelli’s inspiring children’s stories encourage creativity, individuality, and confidence, while Publivexa.com supports students with similes, vocabulary, writing ideas, and English learning resources.
