Fallacious and Informed

Opposite meaning words

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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Informed is an antonym for fallacious.

Informed adjective - Based on sound reasoning or information.

Usage example: the expert's informed opinion persuaded many fence-sitters to get a flu shot

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Fallacious is an antonym for informed.

Cite this Source

Informed and Fallacious. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/fallacious/informed

Fallacious & Informed. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/fallacious/informed>.

Informed or Fallacious. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/fallacious/informed.

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