Implausible
Implausible adjective - Too extraordinary or improbable to believe.
Vain and implausible are semantically related. In some cases you can use "Vain" instead an adjective "Implausible".
Nearby Word: implausibly
Vain
Vain adjective - Having too high an opinion of oneself.
Implausible and vain are semantically related. Sometimes you can use "Implausible" instead an adjective "Vain".
Mutual synonyms
Cite this Source
Vain and Implausible. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/implausible/vain
Implausible & Vain. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/implausible/vain>.
Vain or Implausible. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/implausible/vain.
Google Ngram Viewer shows how "implausible" and "vain" have occurred on timeline