Essential
Essential adjective - Impossible to do without.
Legitimate and essential are semantically related. In some cases you can use "Legitimate" instead an adjective "Essential".
Legitimate
Legitimate adjective - Permitted by law.
Essential and legitimate are semantically related. Sometimes you can use "Essential" instead an adjective "Legitimate".
Mutual synonyms
Cite this Source
Legitimate and Essential. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/essential/legitimate
Essential & Legitimate. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/essential/legitimate>.
Legitimate or Essential. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/essential/legitimate.
Google Ngram Viewer shows how "essential" and "legitimate" have occurred on timeline