Nonrational and Plausible

Opposite meaning words

Nonrational adjective - Not using or following good reasoning.

Usage example: was so upset that he was completely nonrational for a moment

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Plausible is an antonym for nonrational.

Plausible adjective - Worthy of being accepted as true or reasonable.

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Nonrational is an antonym for plausible.

Nearby Words: plausibly, plausibility

Cite this Source

Plausible and Nonrational. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/nonrational/plausible

Nonrational & Plausible. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/nonrational/plausible>.

Plausible or Nonrational. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/nonrational/plausible.

Google Ngram Viewer shows how "nonrational" and "plausible" have occurred on timeline