implausible

adjective

im·​plau·​si·​ble (ˌ)im-ˈplȯ-zə-bəl How to pronounce implausible (audio)
: not plausible : provoking disbelief
implausibility noun
implausibly adverb

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.
To Nkrumah, unifying Africa was the logical next step, no more implausible than what had just been achieved. Kelefa Sanneh, New Yorker, 6 Oct. 2025 On a test called IntPhys, which requires AI models to identify if the actions happening in a video are physically plausible or implausible, V-JEPA was nearly 98% accurate. Quanta Magazine, 3 Oct. 2025 The animals are rendered serviceably, with generically cute faces and pleasantly detailed if sometimes implausible textures. Angie Han, HollywoodReporter, 1 Oct. 2025 This didn’t, and still doesn’t, seem all that implausible to me. Ellen Cushing, The Atlantic, 22 Sep. 2025 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

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Cite this Entry

“Implausible.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/implausible. Accessed 17 Oct. 2025.

Kids Definition

implausible

adjective
im·​plau·​si·​ble (ˈ)im-ˈplȯ-zə-bəl How to pronounce implausible (audio)
: causing disbelief : not plausible
implausibility noun
implausibly adverb

More from Merriam-Webster on implausible

Last Updated: - Updated example sentences
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