improbable

[im-prob-uh-buhl] / ɪmˈprɒb ə bəl /

ADJECTIVE

not likely

Synonyms

STRONGEST

fanciful implausible rare unbelievable unlikely

WEAK

doubtful dubious far-fetched flimsy hundred-to-one iffy inconceivable not expected outside chance questionable slim slim and none uncertain unconvincing unheard of unimaginable unsubstantial weak

Antonyms

STRONGEST

believable likely ordinary plausible probably real

WEAK

ostensible possible probable tenable

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.

And those were the images that returned with his improbable fifth Masters victory in 2019, fused back and all, achieved at the age of 43.

From BBC • Mar. 28, 2026

For decades, closure of the strait was regarded as something that was conceivable in theory, but operationally improbable in practice, Morgan Stanley noted.

From Barron's • Mar. 24, 2026

His grandfather Jerry Bush had coached at Nebraska, where in 1958 he authored an improbable victory over a Kansas team led by Wilt Chamberlain.

From The Wall Street Journal • Mar. 22, 2026

Before long, however, the two improbable friends have formed a siblinglike bond, sharing toys and teasing each other over who gets the most praise from Basma.

From The Wall Street Journal • Mar. 20, 2026

But it doesn't seem that improbable to me.

From "Will Grayson, Will Grayson" by John Green and David Levithan

improbable

Example Sentences

Related Words