Illegitimate
Illegitimate adjective - Born to a father and mother who are not married.
Improper is a synonym for illegitimate in unlawful topic. In some cases you can use "Improper" instead an adjective "Illegitimate", when it comes to topics like not legal.
Nearby Words: illegitimacy, illegitimately
Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Illegitimate is a synonym for improper in inappropriate topic. You can use "Illegitimate" instead an adjective "Improper", if it concerns topics such as unlawful.
Nearby Word: improperly
Mutual synonyms
Related pairs
- irregular and illegitimate
- irregular and improper
- corrupt and illegitimate
- corrupt and improper
- foul and illegitimate
- foul and improper
- immoral and illegitimate
- immoral and improper
- inappropriate and illegitimate
- inappropriate and improper
- wrong and illegitimate
- wrong and improper
- unethical and illegitimate
- unethical and improper
Cite this Source
Improper and Illegitimate. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/illegitimate/improper
Illegitimate & Improper. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/illegitimate/improper>.
Improper or Illegitimate. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/illegitimate/improper.
Google Ngram Viewer shows how "illegitimate" and "improper" have occurred on timeline