Improper and Incorrect

Improper

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

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

Nearby Word: improperly

Incorrect

Incorrect adjective - Not appropriate for a particular occasion or situation.
Usage example: chose the incorrect military uniform for the treaty ceremony

Improper is a synonym for incorrect in inappropriate topic. You can use "Improper" instead an adjective "Incorrect", if it concerns topics such as false, characteristic, wrong, ill-advised. popular alternative

Nearby Words: incorrectness, incorrectly
Cite this Source
Incorrect and Improper. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/improper/incorrect
Improper & Incorrect. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/improper/incorrect>.
Incorrect or Improper. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/improper/incorrect.
Google Ngram Viewer shows how "improper" and "incorrect" have occurred on timeline