Legitimate and Unreasonable

Legitimate

Legitimate adjective - Permitted by law.

Unreasonable is an antonym for legitimate in topics: reasonable, authentic.

Unreasonable

Unreasonable adjective - Having no basis in reason or fact.

Legitimate is an antonym for unreasonable.

Cite this Source
Unreasonable and Legitimate. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/legitimate/unreasonable
Legitimate & Unreasonable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/legitimate/unreasonable>.
Unreasonable or Legitimate. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/legitimate/unreasonable.
Google Ngram Viewer shows how "legitimate" and "unreasonable" have occurred on timeline