Fallacious
Fallacious adjective - Not using or following good reasoning.
Nonvalid and fallacious are semantically related. In some cases you can use "Nonvalid" instead an adjective "Fallacious".
Nonvalid
Nonvalid adjective - Having no basis in reason or fact.
Usage example: a nonvalid theory that most scientists rejected long ago
Fallacious and nonvalid are semantically related. Sometimes you can use "Fallacious" instead an adjective "Nonvalid".
Mutual synonyms
Related pairs
- wrong and fallacious
- wrong and nonvalid
- weak and fallacious
- weak and nonvalid
- bad and fallacious
- bad and nonvalid
- false and fallacious
- false and nonvalid
- inconsistent and fallacious
- inconsistent and nonvalid
- irrational and fallacious
- irrational and nonvalid
- invalid and fallacious
- invalid and nonvalid
Cite this Source
Nonvalid and Fallacious. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/fallacious/nonvalid
Fallacious & Nonvalid. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/fallacious/nonvalid>.
Nonvalid or Fallacious. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/fallacious/nonvalid.
Google Ngram Viewer shows how "fallacious" and "nonvalid" have occurred on timeline