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.
Unfortunately, the romance is not only forbidden, but personal secrets make their connection even more implausible. Aramide Tinubu, Variety, 23 July 2025 But such a move is not implausible—especially since collective bargaining with college athletes would put an end to antitrust lawsuits over those athletes’ rights. Michael McCann, Sportico.com, 22 July 2025 Identifying these potential crises—the likely and the implausible—is a necessary starting point for any business leader looking to strengthen their crisis communications plan. Nicole Tidei, Forbes.com, 17 July 2025 Some of the more implausible and disputed theories posit that the flight was part of a secret spy mission, that Earhart assumed another identity or that Earhart and Noonan were captured by a foreign government. Christopher Cann, USA Today, 4 July 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 15 Aug. 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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