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

Other Word Forms

• implausibility noun
• implausibly adverb
• implausibleness noun

Word History and Origins

Origin of implausible¹

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

Example Sentences

If arms control was implausible between two players, imagine adding a third.

Read more on The Wall Street Journal

The hysterical posturing is even more implausible when you realize existing stars will be AI’s biggest beneficiaries when it spawns lucrative new interactive opportunities.

Read more on The Wall Street Journal

They say Mas'ud's version of events is implausible and untrue, and argue that the contents of the statement can be corroborated by reliable independent evidence gathered over many years.

Read more on BBC

In Thursday's judgement, Mr Justice Baker said Shah was "not a trustworthy individual" and his testimony had contained "implausible claims and obvious lies".

Read more on BBC

He exudes charm with every gaze, and there isn’t one single line of dialogue that feels out of place or implausible.

Read more on Salon

Related Words

• dubious 
• farfetched www.thesaurus.com
• flimsy 
• impossible 
• improbable 
• inconceivable 
• incredible 
• unbelievable 
• unconvincing 
• unreasonable