Nonviable and Rational

Opposite meaning words

Nonviable adjective - Not capable of living or developing successfully.

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Rational is an antonym for nonviable in topics: impracticable, unrealistic.

Rational adjective - Having the ability to reason.

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Nonviable is an antonym for rational.

Cite this Source

Rational and Nonviable. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/nonviable/rational

Nonviable & Rational. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/nonviable/rational>.

Rational or Nonviable. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/nonviable/rational.

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