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.

"On one hand, it would have been unthinkable a few months ago that Jodar could even be competing in a Grand Slam," Spanish tennis journalist Alejandro Ciriza told BBC Sport.

From BBC • Jun. 1, 2026

E. Jean Carroll achieved the unthinkable and might end up paying a price for it.

From Slate • Jun. 1, 2026

Two years ago it would have been unthinkable that the pair could be left out.

From BBC • May 21, 2026

The Knicks trailed Game 1 of the Eastern Conference Finals by 22 points in the fourth quarter against the Cleveland Cavaliers—and then they produced the unthinkable.

From The Wall Street Journal • May 20, 2026

An all but unthinkable thought crossed Caesar’s mind for the first time.

From "Tiger, Tiger" by Lynne Reid Banks

unthinkable

Example Sentences

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