Synonyms of grownup


1. adult, grownup, person, individual, someone, somebody, mortal, soul

usage: a fully developed person from maturity onward


1. adult, big, full-grown, fully grown, grown, grownup, mature (vs. immature)

usage: (of animals) fully developed; "an adult animal"; "a grown woman"

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Definition and meaning of grownup (Dictionary)