Irrational and Just

Opposite meaning words

Irrational adjective - Not using or following good reasoning.

Usage example: it's irrational to think that you can continue to consume an excess of calories and not gain weight

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Just is an antonym for irrational.

Just adjective - Based on sound reasoning or information.

Usage example: there are just reasons for the state's ban of the private use of fireworks

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Irrational is an antonym for just.

Nearby Words: justing, justed

Cite this Source

Just and Irrational. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/irrational/just

Irrational & Just. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/irrational/just>.

Just or Irrational. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/irrational/just.

Google Ngram Viewer shows how "irrational" and "just" have occurred on timeline