Decorous and Improper

Opposite meaning words

Decorous adjective - Following the established traditions of refined society and good taste.

Usage example: we were asked to be on our most decorous behavior at the formal event

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Improper is an antonym for decorous.

Nearby Words: decorum, decorously, decor

Improper adjective - Not appropriate for a particular occasion or situation.

Usage example: an improper use of slang in a formal piece of writing

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Decorous is an antonym for improper in indecent topic.

Nearby Word: improperly

Cite this Source

Improper and Decorous. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/decorous/improper

Decorous & Improper. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/decorous/improper>.

Improper or Decorous. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/decorous/improper.

Google Ngram Viewer shows how "decorous" and "improper" have occurred on timeline