Fishy and Implausible

Fishy

Fishy adjective - Giving good reason for being doubted, questioned, or challenged.

Implausible is a synonym for fishy in doubtful topic. In some cases you can use "Implausible" instead an adjective "Fishy", when it comes to topics like suspicious, unlikely.

Nearby Words: fish, fished, fishing, fishery, fishily

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

Fishy is a synonym for implausible in unlikely topic. You can use "Fishy" instead an adjective "Implausible", if it concerns topics such as not likely.

Nearby Word: implausibly
Cite this Source
Implausible and Fishy. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/fishy/implausible
Fishy & Implausible. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/fishy/implausible>.
Implausible or Fishy. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/fishy/implausible.
Google Ngram Viewer shows how "fishy" and "implausible" have occurred on timeline