Irrational and Thoughtful

Opposite meaning words

Irrational adjective - Not using or following good reasoning.

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Thoughtful is an antonym for irrational in illogical topic.

Thoughtful adjective - Given to or made with heedful anticipation of the needs and happiness of others.

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Irrational is an antonym for thoughtful in contemplative topic.

Cite this Source

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

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

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

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