Proper and Rigorous

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Proper adjective - Being in agreement with the truth or a fact or a standard.

Usage example: there is really more than one proper way to pronounce that word in English

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Rigorous and proper are semantically related In some cases you can use "Rigorous" instead an adjective "Proper".

Nearby Words: property, properly

Rigorous adjective - Given to exacting standards of discipline and self-restraint.

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Proper and rigorous are semantically related in severe topic. Sometimes you can use "Proper" instead an adjective "Rigorous".

Nearby Words: rigorously, rigor, rigour, rigorism

Cite this Source

Rigorous and Proper. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/proper/rigorous

Proper & Rigorous. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/proper/rigorous>.

Rigorous or Proper. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/proper/rigorous.

Google Ngram Viewer shows how "proper" and "rigorous" have occurred on timeline