Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Unauthorized and improper are semantically related. In some cases you can use "Unauthorized" instead an adjective "Improper".
Nearby Word: improperly
Unauthorized
Unauthorized adjective - Not endowed with authority.
Improper and unauthorized are semantically related. Sometimes you can use "Improper" instead an adjective "Unauthorized".
Nearby Word: unauthorised
Mutual synonyms
Related pairs
- irregular and improper
- irregular and unauthorized
- dirty and improper
- dirty and unauthorized
- immoral and improper
- immoral and unauthorized
- wrong and improper
- wrong and unauthorized
- false and improper
- false and unauthorized
- wicked and improper
- wicked and unauthorized
- illegitimate and improper
- illegitimate and unauthorized
Cite this Source
Unauthorized and Improper. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/improper/unauthorized
Improper & Unauthorized. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/improper/unauthorized>.
Unauthorized or Improper. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/improper/unauthorized.
Google Ngram Viewer shows how "improper" and "unauthorized" have occurred on timeline