Adult
Adult noun - A fully grown person.
Mature person and adult are semantically related. in grown-up topic. In some cases you can use "Mature person" instead a noun "Adult", when it comes to topics like grown person.
Mature person
Adult and mature person are semantically related. You can use "Adult" instead a noun phrase "Mature person".
Mutual synonyms
Cite this Source
Mature person and Adult. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/adult/mature_person
Adult & Mature person. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/adult/mature_person>.
Mature person or Adult. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/adult/mature_person.
Google Ngram Viewer shows how "adult" and "mature person" have occurred on timeline