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.

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

From BBC • Mar. 26, 2026

It is to ensure that the cost of starting one remains permanently unthinkable.

From The Wall Street Journal • Mar. 24, 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

It was unthinkable a couple of weeks ago, but could the next move by the Fed be a rate hike?

From MarketWatch • Mar. 18, 2026

Now, however, Hall’s wife back in Christchurch, Jan Arnold, would have to do the unthinkable: call McPherson back to inform her there had been a horrible mistake—that Andy was in fact missing and presumed dead.

From "Into Thin Air" by Jon Krakauer

unthinkable

Example Sentences

Related Words