Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Usage example: an improper use of slang in a formal piece of writing
Indecorous is a synonym for improper in indecent topic. In some cases you can use "Indecorous" instead an adjective "Improper", when it comes to topics like usual, crude, unseemly. vulgar substitute
Nearby Word: improperly
Indecorous
Indecorous adjective - Not appropriate for a particular occasion or situation.
Usage example: an indecorous joke for a solemn moment in the marriage ceremony
Improper is a synonym for indecorous in usual topic. You can use "Improper" instead an adjective "Indecorous", if it concerns topics such as crude, coarse, indecent. popular alternative
Mutual synonyms
Related pairs
Cite this Source
Indecorous and Improper. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/improper/indecorous
Improper & Indecorous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/improper/indecorous>.
Indecorous or Improper. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/improper/indecorous.
Google Ngram Viewer shows how "improper" and "indecorous" have occurred on timeline