Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Mischievous and improper are semantically related. In some cases you can use "Mischievous" instead an adjective "Improper".
Nearby Word: improperly
Mischievous
Mischievous adjective - Engaging in or marked by childish misbehavior.
Usage example: punished for their mischievous tricks on the neighbors
Improper and mischievous are semantically related. Sometimes you can use "Improper" instead an adjective "Mischievous".
Cite this Source
Mischievous and Improper. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/improper/mischievous
Improper & Mischievous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/improper/mischievous>.
Mischievous or Improper. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/improper/mischievous.
Google Ngram Viewer shows how "improper" and "mischievous" have occurred on timeline