Commonsense and Fallacious

Opposite meaning words

Commonsense adjective - Based on sound reasoning or information.

Usage example: the commonsense interpretation of this so-called mysterious sighting

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Fallacious is an antonym for commonsense.

Fallacious adjective - Not using or following good reasoning.

Usage example: it's fallacious to say that something must exist because science hasn't proven its nonexistence

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Commonsense is an antonym for fallacious.

Cite this Source

Fallacious and Commonsense. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/commonsense/fallacious

Commonsense & Fallacious. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/commonsense/fallacious>.

Fallacious or Commonsense. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/commonsense/fallacious.

Google Ngram Viewer shows how "commonsense" and "fallacious" have occurred on timeline