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 defendant has contended he did not realise that he had run over anyone -- a claim that another prosecutor, Marco Reinl, called utterly implausible.

From Barron's • Jun. 4, 2026

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

Air Force and combat planner, said the explanation seemed implausible because of the rigorous methodology by which planners review targets.

From The Wall Street Journal • Mar. 6, 2026

Aswath Damodaran, the so-called ‘dean of valuation,’ said a popular characterization of a dystopian AI future of displacement and disruption was implausible.

From MarketWatch • Mar. 5, 2026

With an implausible display of calm, she summarized for Briony.

From "Atonement" by Ian McEwan

Vocabulary lists containing implausible

Grade 9, List 6

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

The Namesake

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Summer of the Mariposas

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!