implausible

adjective

im·​plau·​si·​ble (ˌ)im-ˈplȯ-zə-bəl How to pronounce implausible (audio)
Synonyms of implausible
: not plausible : provoking disbelief
an implausible excuse
implausibility
(ˌ)im-ˌplȯ-zə-ˈbi-lə-tē How to pronounce implausible (audio)
noun
implausibly
(ˌ)im-ˈplȯ-zə-blē How to pronounce implausible (audio)
adverb

Synonyms of implausible

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Examples of implausible in a Sentence

She's been making implausible claims. He gave an implausible excuse for showing up late for work. The novel has an implausible ending.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Kading also rejected defense arguments that the prosecution’s account was implausible because Davis was not immediately killed in retaliation and because Knight later paid Anderson to testify on his behalf at a probation violation hearing. — Nancy Dillon, Rolling Stone, 2 Sep. 2026 Crypto-anarchy’s projects all involve an implausible degree of human commitment. — Finn Brunton, Harpers Magazine, 1 Sep. 2026 The uncomfortable implication is that the most dangerous credibility failures are not the ones where we are obviously fooled by something implausible. — Big Think, 21 Aug. 2026 But this seems implausible today, when great powers cannot even cooperate on addressing climate change, let alone the full shape of world order. — Kurt M. Campbell, Foreign Affairs, 18 Aug. 2026 See All Example Sentences for implausible

Word History

First Known Use

circa 1677, in the meaning defined above

Time Traveler
The first known use of implausible was circa 1677

Rhymes for implausible

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Browse Nearby Words

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Cite this Entry

“Implausible.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/implausible. Accessed 3 Sep. 2026.

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