Careless and Rational

Opposite meaning words

Careless adjective - Not paying or showing close attention especially for the purpose of avoiding trouble.

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Rational is an antonym for careless.

Nearby Words: care, careful, carelessly, carelessness

Rational adjective - Having the ability to reason.

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Careless is an antonym for rational in realistic topic.

Cite this Source

Rational and Careless. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/careless/rational

Careless & Rational. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/careless/rational>.

Rational or Careless. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/careless/rational.

Google Ngram Viewer shows how "careless" and "rational" have occurred on timeline