Rational and Useful

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Rational adjective - Having the ability to reason.

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Useful and rational are semantically related. In some cases you can use "Useful" instead an adjective "Rational".

Useful adjective - Capable of being put to use or account.

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Rational and useful are semantically related. Sometimes you can use "Rational" instead an adjective "Useful".

Nearby Words: use, useless, used, usefulness, usefully

Twilight has come to appreciate friendship more and has demonstrated more patience, calmness, and rational thought (traits which prove useful when she becomes a princess).

Source: Aesop Amnesia

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

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

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

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