Indecorous
Indecorous adjective - Not appropriate for a particular occasion or situation.
Usage example: an indecorous joke for a solemn moment in the marriage ceremony
Proper is an antonym for indecorous.
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
Indecorous is an antonym for proper.
Both words in one sentence
- Light is the social one, who not only understands but really cares about proper socialization and not being indecorous, but as Kira he's also the one who's the most prolific serial killer in history.
Source: Shadow Archetype
Cite this Source
Proper and Indecorous. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/indecorous/proper
Indecorous & Proper. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/indecorous/proper>.
Proper or Indecorous. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/indecorous/proper.
Google Ngram Viewer shows how "indecorous" and "proper" have occurred on timeline