Improper and Incongruous

Improper

Improper adjective - Not appropriate for a particular occasion or situation.
Usage example: an improper use of slang in a formal piece of writing

Incongruous is a synonym for improper in inappropriate topic. In some cases you can use "Incongruous" instead an adjective "Improper", when it comes to topics like property, agree, not suitable. popular alternative

Nearby Word: improperly

Incongruous

Incongruous adjective - Not appropriate for a particular occasion or situation.
Usage example: there's an incongruous modernism to the actor's performance in this period piece

Improper is a synonym for incongruous in inappropriate topic. You can use "Improper" instead an adjective "Incongruous", if it concerns topics such as property, agree, absurd. popular alternative

Nearby Words: incongruity, incongruously
Cite this Source
Incongruous and Improper. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/improper/incongruous
Improper & Incongruous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/improper/incongruous>.
Incongruous or Improper. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/improper/incongruous.
Google Ngram Viewer shows how "improper" and "incongruous" have occurred on timeline