implausible

[ im-plaw-zuh-buhl ]

adjective

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

   an implausible alibi.

   Synonyms: unbelievable, improbable, unlikely

implausible

/ ɪmˈplɔːzəbəl /

adjective

1. not plausible; provoking disbelief; unlikely

Derived Forms

• imˌplausiˈbility, noun
• imˈplausibly, adverb

Other Words From

• im·plausi·bili·ty im·plausi·ble·ness noun
• im·plausi·bly adverb

Word History and Origins

Origin of implausible¹

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

Example Sentences

Theoretical studies such as this are crucial, Stojkovic says, noting that many physical concepts that once seemed implausible are now considered likely.

From Science Daily

But because “Heretic” is a genre movie, there are overwrought visual metaphors, implausible twists and an unfortunate reliance on coincidence.

From Los Angeles Times

Even two years ago, it seemed implausible that either of those people would be here.

From Salon

Yes, and it’s not nearly as implausible as it seems in “Saturday Night.”

From Los Angeles Times

On Friday, Trump's lawyers sought to appeal the judgement in the first case, arguing before the court that the allegations were "implausible" and that the evidence was "inflammatory" and "inadmissible".

From BBC

Related Words

• dubious
• farfetched
• flimsy
• impossible
• improbable
• inconceivable
• incredible
• unbelievable
• unconvincing
• unreasonable