Firm and Rational

Related words

Firm adjective - Based on sound reasoning or information.

Usage example: that assassination theory is far from firm, since there's not a shred of actual evidence to back it up

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

Nearby Words: firming, firmness, firmly, firmed

Rational adjective - Based on sound reasoning or information.

Usage example: betting all of your savings on the lottery is not a rational move

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Firm and rational are semantically related. Sometimes you can use "Firm" instead an adjective "Rational".

J.K. Rowling has also commented on Luna being Hermione's foil: Hermione is rational and depends on firm knowledge, while Luna is intuitive and functions solely on faith.

Source: Foil / Literature
When Jim starts making some advances in the company, eventually as co-manager, he starts making rational, firm, boss-like decisions and simply assumes the rest of the office will be mature about it.

Source: Series / The Office (US)
Devil with devil damned Firm concord holds, men only disagree Of creatures rational, though under hope Of heavenly grace: and God proclaiming peace, Yet live in hatred, enmity, and strife Among themselves, and levy cruel wars, Wasting the earth, each other to destroy...

Source: Evil is One Big, Happy Family

Cite this Source

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

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

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

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