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Showing results for impossible. Search instead for imposible.
Definitions

impossible

[im-pos-uh-buhl] / ɪmˈpɒs ə bəl /
ADJECTIVE
beyond the bounds of possibility
Synonyms
STRONGEST
absurd futile hopeless impassable impractical inaccessible inconceivable insurmountable preposterous unattainable unimaginable unreasonable unthinkable unworkable useless
STRONG
visionary
WEAK
beyond contrary to reason cureless hardly possible hundred-to-one impervious impracticable inexecutable infeasible irrealizable irreparable no-go no-win not a prayer out of the question too much unachievable uncorrectable unfeasible unobtainable unrecoverable way-out
Antonyms
STRONGEST
believable conceivable hopeful imaginable logical practical reasonable sensible
WEAK
achievable obtainable possible
ADJECTIVE
intolerable, ungovernable
Synonyms
STRONGEST
absurd hopeless ludicrous outrageous preposterous unacceptable unreasonable
STRONG
offensive undesirable
WEAK
egregious improper incongruous objectionable unanswerable unsuitable
Antonyms
STRONGEST
acceptable
STRONG
pleasing
WEAK
achievable believable governable manageable tenable tolerable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As a result, it is nearly impossible for individuals to sue federal officers, including immigration agents, who run afoul of the Constitution.

From Slate • Apr. 15, 2026

In real materials, tiny imperfections such as atomic defects and impurities tend to disrupt these delicate quantum effects, making them nearly impossible to observe.

From Science Daily • Apr. 15, 2026

"Agreeing on every single thing, that's just impossible."

From BBC • Apr. 14, 2026

Nuclear fuel-making entails processing liquids, gases and powders, molecules of weapons-usable uranium and plutonium that are nearly impossible to track.

From The Wall Street Journal • Apr. 14, 2026

"That's impossible," he heard his mom say in a worried voice.

From "All About Sam" by Lois Lowry

Vocabulary lists containing impossible

List 1

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myPerspectives 7.3

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