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.
Stop using implausible scenarios to scare young people and the gullible with claims about global catastrophe due to future global temperature increases. Editorial, Boston Herald, 29 May 2026 Season 2 also doesn’t reset, instead charging forward with implausible quarterly vacations and Nick as a main character in absentia, which leaves a sizable Steve Carell-sized hole with only an unspeaking infant to fill the void. Ben Travers, IndieWire, 28 May 2026 An economy with rising GDP and 8% unemployment would have sounded implausible a few years ago. Brandon Kochkodin, Forbes.com, 28 May 2026 His deep dive into the genre left him with some pet peeves, not least the irrational or simply implausible behavior of many horror-movie protagonists. Alex Barasch, New Yorker, 11 May 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

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Cite this Entry

“Implausible.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/implausible. Accessed 5 Jun. 2026.

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

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