implausible

[im-plaw-zuh-buhl] / ɪmˈplɔ zə bəl /

ADJECTIVE

not likely

Synonyms

STRONGEST

dubious farfetched flimsy impossible improbable inconceivable incredible unbelievable unconvincing unreasonable

WEAK

doubtful far-out fishy for the birds full of holes obscure problematic puzzling reachy suspect thin too much unsubstantial weak won't hold water won't wash

Antonyms

STRONGEST

believable convincing credible likely plausible possible realistic reasonable 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.

The broader biographical facts are obeyed, but “Amadeus” is fundamentally ahistorical, and sometimes implausible: It is to be trusted only as television.

From Los Angeles Times • May 8, 2026

Of course, as implausible as Terafab’s prospects appear, Musk’s wealth and track record make him impossible to completely discount.

From The Wall Street Journal • Apr. 24, 2026

The team believes this notion of “satiated consumption” is implausible.

From MarketWatch • Feb. 24, 2026

He said while Tina Smith was "in the thrall of McKenna" it was implausible that she did not know what was happening in McKenna's operations.

From BBC • Feb. 12, 2026

Jupiter’s moons made this arrangement rather less implausible than it had seemed.

From "The Invention of Science" by David Wootton

Vocabulary lists containing implausible

Grade 9, List 6

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The Namesake

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Summer of the Mariposas

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