Fallacious
Fallacious adjective - Not using or following good reasoning.
Frivolous and fallacious are semantically related. In some cases you can use "Frivolous" instead an adjective "Fallacious".
Frivolous
Frivolous adjective - Lacking importance.
Fallacious and frivolous are semantically related. Sometimes you can use "Fallacious" instead an adjective "Frivolous".
Nearby Words: frivolity, frivolously
Mutual synonyms
Cite this Source
Frivolous and Fallacious. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/fallacious/frivolous
Fallacious & Frivolous. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/fallacious/frivolous>.
Frivolous or Fallacious. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/fallacious/frivolous.
Google Ngram Viewer shows how "fallacious" and "frivolous" have occurred on timeline