Implausible
Implausible adjective - Too extraordinary or improbable to believe.
Usage example: the terrorist attacks generated a whole passel of implausible conspiracy theories that dishonor the memory of those who perished
Silly and implausible are semantically related. In some cases you can use "Silly" instead an adjective "Implausible".
Nearby Word: implausibly
Silly
Silly adjective - Lacking in seriousness or maturity.
Implausible and silly are semantically related. Sometimes you can use "Implausible" instead an adjective "Silly".
Nearby Word: silliness
Mutual synonyms
Related pairs
Both words in one sentence
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Primeval: It's implausible and silly half the time, but it's about crazy scientists fighting time-traveling DINOSAURS.
Source: Rule of Cool -
He would then explain how he survived in the introduction of the next book, usually by some silly, implausible stroke of luck (i.e., his murderer accidentally picking up a banana instead of a revolver).
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An Affectionate Parody of Doc Savage written by a guy who grew up reading pulp tales, Doc Wilde contains a lot of silly humor and really exaggerated situations, and very implausible adventures.
Source: Literature / Doc Wilde
Cite this Source
Silly and Implausible. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/implausible/silly
Implausible & Silly. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/implausible/silly>.
Silly or Implausible. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/implausible/silly.
Google Ngram Viewer shows how "implausible" and "silly" have occurred on timeline