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.

As recently as a year ago, they said, such a deal would have been unthinkable, because companies were nervous about angering Nvidia’s Huang.

From The Wall Street Journal • Jun. 19, 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

European Union ministers are debating whether to boost oil and gas production in the region, which would have been unthinkable a few years ago.

From The Wall Street Journal • Jun. 9, 2026

After a Roland Garros run that was unthinkable a few weeks ago, it feels like there is big meaning in such a small word.

From BBC • Jun. 4, 2026

The unthinkable had already happened—a nuclear reactor had melted down.

From "Meltdown" by Deirdre Langeland

unthinkable

Example Sentences

Related Words