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Definition of implausible
implausible
/ɪmˈplɔː.zə.bəl/
im · plau · si · ble
Adverb:implausibly
implausible Lexical Profile
CEFR
C1
Grade
9
Tier
2
Usage
Top 10k
Syllables
4
implausible Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Not seeming reasonable or probable; failing to convince or hard to believe.
Example
"The suspect offered an implausible explanation for why his fingerprints were on the safe."
Synonyms
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Word Origin & Etymology
Coined in the early 17th century by combining the privative prefix 'im-' (not) with 'plausible', which comes from the Latin 'plausibilis' (deserving applause, pleasing, or acceptable), from 'plaudere' (to clap the hands).
Cite this Entry
Wordmom. (2026). Definition of Implausible. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/implausible