Decorous
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
Proper is a synonym for decorous in appropriate topic. In some cases you can use "Proper" instead an adjective "Decorous", when it comes to topics like courtesy. popular alternative
Proper
Proper adjective - Following the established traditions of refined society and good taste.
Usage example: the formal ball called for proper attire—tuxedos and full-length gowns only
Decorous is a synonym for proper in courtesy topic. You can use "Decorous" instead an adjective "Proper", if it concerns topics such as polite, seemly, mannerly, respectable. popular alternative
Mutual synonyms
Cite this Source
Proper and Decorous. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/decorous/proper
Decorous & Proper. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/decorous/proper>.
Proper or Decorous. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/decorous/proper.
Google Ngram Viewer shows how "decorous" and "proper" have occurred on timeline