Implausible and Nonvalid

Implausible

Implausible adjective - Too extraordinary or improbable to believe.

Nonvalid and implausible are semantically related. In some cases you can use "Nonvalid" instead an adjective "Implausible".

Nearby Word: implausibly

Nonvalid

Nonvalid adjective - Having no basis in reason or fact.
Usage example: a nonvalid theory that most scientists rejected long ago

Implausible and nonvalid are semantically related. Sometimes you can use "Implausible" instead an adjective "Nonvalid".
Cite this Source
Nonvalid and Implausible. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/implausible/nonvalid
Implausible & Nonvalid. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/implausible/nonvalid>.
Nonvalid or Implausible. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/implausible/nonvalid.
Google Ngram Viewer shows how "implausible" and "nonvalid" have occurred on timeline