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