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Showing results for impossible. Search instead for impossibles.
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.

“It’s going to take time, a lot of resources, and focus. It’s not impossible, but it’s definitely challenging.”

From The Wall Street Journal • Apr. 4, 2026

Surrey's captain played Woakes to mid on, embarked upon an impossible single and failed to regain his ground after wicketkeeper Kai Smith made the most of an inaccurate throw from Ed Barnard.

From BBC • Apr. 3, 2026

Mangione's lawyers requested the delays because they argued the tight turnaround would make it impossible to prepare adequately for both.

From Barron's • Apr. 3, 2026

It’s impossible to predict which songs will gain traction, Day said, but she was very proud that one did.

From Los Angeles Times • Apr. 3, 2026

She laughed the way she did around the impossible boy.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.