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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's impossible to deny that you're a once-in-a-generation kind of icon," he tells them.

From BBC • Apr. 8, 2026

It also reveals subtle, rapid changes that were previously impossible to detect.

From Science Daily • Apr. 8, 2026

It’s impossible to separate objects from meaning because meaning in our modern world comes from objects, whether we support that notion or not.

From Los Angeles Times • Apr. 8, 2026

“These legal battles waste critical government resources and make it impossible for energy companies to plan and invest in new projects,” Hegseth told the committee.

From Salon • Apr. 7, 2026

A flower with an impossible number of petals and leaves.

From "The Hiding Place" by Corrie ten Boom