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Showing results for impossible. Search instead for impossiblen.
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 also reveals subtle, rapid changes that were previously impossible to detect.

From Science Daily • Apr. 8, 2026

It is near impossible now to genuinely create the first kind, but the process of making “Maddie’s Secret” was in a sense about being the second and striving for the first.

From Los Angeles Times • Apr. 8, 2026

Tuchel would no doubt have smiled in satisfaction as this latest example of the elite striker he has at his disposal - and how life without him is impossible to contemplate.

From BBC • Apr. 7, 2026

Scott-Heron’s lunar criticism is not so much concerned with the otherworldly as a space for imagining the earthly impossible, but for assembling earthly sites of decolonization and liberation.

From Salon • Apr. 7, 2026

Hord was furious, though whether with himself or with Torak it was impossible to tell.

From "Wolf Brother" by Michelle Paver