full grown[adjective]Synonyms: mature, adult, full-blown, full-fledged, grown, grown-up, matured, ripe, ripened
[TahlilGaran] English Synonym Dictionary ▲
ˌfull-ˈgrown American English,
ˌfully-grown British English adjective a full-grown animal, plant, or person has developed to their full size and will not grow any bigger:
A full-grown elephant may weigh 2,000 pounds. [TahlilGaran] Dictionary of Contemporary English ▲