Improper
Improper adjective - Not suitable or right or appropriate.
Usage example: improper attire for the golf course
Indecent is a synonym for improper in usual topic. In some cases you can use "Indecent" instead an adjective "Improper", when it comes to topics like crude, difficult, unsuitable, indecorous. vulgar substitute
Nearby Word: improperly
Indecent
Indecent adjective - Not in keeping with accepted standards of what is right or proper in polite society.
Usage example: was buried with indecent haste
Improper is a synonym for indecent in obscene topic. You can use "Improper" instead an adjective "Indecent", if it concerns topics such as unseemly, usual, crude, difficult. popular alternative
Mutual synonyms
Cite this Source
Indecent and Improper. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/improper/indecent
Improper & Indecent. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/improper/indecent>.
Indecent or Improper. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/improper/indecent.
Google Ngram Viewer shows how "improper" and "indecent" have occurred on timeline