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.

Five years ago, such a pay package in the senior-housing industry would have been unthinkable.

From The Wall Street Journal • Jun. 29, 2026

Tuchel's strict refusal to operate a star system, as well as the emergence of Aston Villa's outstanding Rogers, has made Bellingham's place the subject of intense debate, a notion unthinkable after Euro 2024.

From BBC • Jun. 17, 2026

Then again, even for many Colombian moderates, the alternative is unthinkable.

From The Wall Street Journal • Jun. 14, 2026

Why they wouldn’t prioritize Brink’s development alongside winning as they strive to snap a previously unthinkable five-year playoff drought.

From Los Angeles Times • Jun. 12, 2026

Well, one way perhaps, but that was unthinkable.

From "Wringer" by Jerry Spinelli

unthinkable

Example Sentences

Related Words