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Showing results for unbelievable. Search instead for unbelievabl.
Definitions

unbelievable

[uhn-bi-lee-vuh-buhl] / ˌʌn bɪˈli və bəl /
ADJECTIVE
beyond the imagination
Synonyms
STRONGEST
astonishing implausible impossible improbable inconceivable incredible outlandish preposterous too much unimaginable unthinkable
WEAK
beyond belief cockamamie cockeyed doubtful dubious far-fetched fishy flaky flimsy for the birds full of holes harebrained incogitable kooky lamebrained open to doubt past belief phony questionable reaching scatterbrained screwy staggering suspect thick thin unconvincing unsubstantial weak won't hold water won't wash
Antonyms
STRONGEST
believable conceivable credible imaginable likely plausible possible reasonable tenable
WEAK
real

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.

Among them are shocking, surreal, unbelievable, unprecedented and unexpected.

From Los Angeles Times • Apr. 13, 2026

“It’s a lot of knowledge workers doing similar tasks with data, an unbelievable distribution network” that reaches institutional investors around the globe.

From Barron's • Apr. 3, 2026

A frustrated Russell, who finished fourth behind Piastri and Ferrari's Charles Leclerc, said over the radio "unbelievable" as he realised Antonelli would beat him for the second consecutive race.

From BBC • Mar. 29, 2026

There’s “tremendous, unbelievable uncertainty. That’s where we head from here,” he said.

From MarketWatch • Mar. 26, 2026

But something even more unbelievable than haints showed up the next morning.

From Full of Beans by Jennifer L. Holm

Vocabulary lists containing unbelievable

Wow! Synonyms for "Amazing"

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