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Synonyms

implausible

American  
[im-plaw-zuh-buhl] / ɪmˈplɔ zə bəl /

adjective

  1. not plausible; not having the appearance of truth or credibility.

    an implausible alibi.
    Synonyms:
    unbelievable, improbable, unlikely
implausible British  
/ ɪmˈplɔːzəbəl /

adjective

  1. not plausible; provoking disbelief; unlikely

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • implausibility noun
  • implausibleness noun
  • implausibly adverb

Etymology

Origin of implausible

First recorded in 1595–1605; im- 2 + plausible

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The team believes this notion of “satiated consumption” is implausible.

From MarketWatch

The company claimed it depicted a deliberately implausible, parodic scenario that bore no resemblance to real airport security procedures.

From BBC

Police said he gave "implausible accounts" as to how the injuries had been caused.

From BBC

It may seem implausible, but every word is true.

From Literature

Mr. Stephens comments in a way that exalts the passage’s author: “Given this statement, it seems implausible that . . . Marcus bowed to trumpery.”

From The Wall Street Journal

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.