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implausible

adjective

im·​plau·​si·​ble (ˌ)im-ˈplȯ-zə-bəl How to pronounce implausible (audio)
Synonyms of implausiblenext
: not plausible : provoking disbelief
an implausible excuse
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.
Bailey, who rose to international fame in Netflix’s Bridgerton and recently starred in the wildly popular Wicked franchise, embodies a figure that was not so many years ago considered implausible in mainstream media—a gay heartthrob. Melissa Fleur Afshar, MSNBC Newsweek, 28 Nov. 2025 The idea of an alternative became even more implausible after the United States’ apparent victory in the Cold War, whereupon history itself seemed to end in American-style democracy and capitalism. Victor J. Blue, Harpers Magazine, 23 Nov. 2025 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 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 4 Dec. 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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