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Showing results for unthinkable. Search instead for unthinkabilitie.
Definitions

unthinkable

[uhn-thing-kuh-buhl] / ʌnˈθɪŋ kə bəl /
ADJECTIVE
incredible, unusual
Synonyms
STRONGEST
absurd extraordinary illogical implausible impossible improbable inconceivable preposterous rare unbelievable uncommon unimaginable unlikely unreasonable
WEAK
beyond belief beyond possibility exceptional incogitable insupportable out of the question outlandish singular unique unordinary
Antonyms
STRONGEST
believable cheap common familiar imaginable likely logical normal ordinary plausible possible probably rational reasonable regular sensible tenable usual
WEAK
conceivable credible

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.

Supporters love the "madman theory" for its ability to keep opponents off guard and pull off previously unthinkable achievements.

From BBC • Apr. 8, 2026

Or it may need to consider the unthinkable.

From The Wall Street Journal • Apr. 4, 2026

For the four-time winners it seems almost unthinkable they would fall short.

From BBC • Mar. 26, 2026

A rate increase, once unthinkable, has become thinkable thanks to stubborn inflation, Iran and a resilient economy.

From The Wall Street Journal • Mar. 23, 2026

He wanted to embrace his guardian, to hold him and tell him that he would never desert him, but the action was unthinkable.

From "The Graveyard Book" by Neil Gaiman