Composed of adults:
Relating to, intended for, or befitting adults:
Having reached full size or maturity; fully grown
Advanced in industrial capability, technological sophistication, and economic productivity:
Having reached full development; mature.
Having great strength or force:
Having all the necessary features; thorough
Having reached full growth and development
Find another word for grown-up. In this page you can discover 26 synonyms, antonyms, idiomatic expressions, and related words for grown-up, like: mature, adult, grown woman, full-grown, developed, , full-fledged, grown, grown man, grown person and of-age.