implausible

1 of 2

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
(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

implausibility

2 of 2

noun

im·​plausibility (¦)im How to pronounce implausibility (audio)
əm+
1
: the quality or state of being implausible
put on his guard by the implausibility of the man's explanation
2
: something implausible

Synonyms of implausible

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Adjective

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Examples of implausible in a Sentence

Adjective 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
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Adjective
The conditions that once made orbital solar implausible no longer exist. — Brigitte Bren, Chicago Tribune, 21 June 2026 Instead, and through no fault of any of the actors, this development feels more like an implausible stretch and a cheap way to introduce more chaos into the picture. — Elena Lazic, Variety, 26 June 2026 That doesn’t make the technology implausible. — Allison Palmer, Miami Herald, 22 June 2026 Tasks that required years of experience to perform efficiently are being automated at a pace that would have seemed implausible five years ago, perhaps even a year ago. — Tara Faquir, Forbes.com, 8 June 2026 See All Example Sentences for implausible

Word History

First Known Use

Adjective

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

implausibility
implausible
impleach
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Cite this Entry

“Implausible.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/implausible. Accessed 7 Jul. 2026.

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More from Merriam-Webster on implausible

Nglish: Translation of implausible for Spanish Speakers

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