Grown-up
Grown-up noun - A fully grown person.
Usage example: once you turn 12, you get to eat with the grown-ups at Thanksgiving
Cite this Source
Senior and Grown-up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/grown-up/senior
Grown-up & Senior. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/grown-up/senior>.
Senior or Grown-up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/grown-up/senior.