EN

Synonyms for grown-up

Most common

full-grown adult mature mannish

Synonyms by meaning

Adjective

1. Full-grown — adult, physically mature

full-grown, grown US, big, developed, grown-ass vulgar slang US

2. Adult — of, pertaining to, or suitable for adults

adult, mature

Other

mannish, adultish rare

Definitions

  1. adj. 1

    Adult, physically mature.

  2. adj. 2

    Of, pertaining to, or suitable for adults.

Related words

Other spellings
grown up grownup

Example sentences

  • adult An adult tooth came in right next to a baby tooth.
  • mature I think our son is mature enough to understand it.

By length

3 letters
big1
5 letters
adult2, grown1
6 letters
mature2
7 letters
mannish
8 letters
adultish
9 letters
developed3

The small number after each word is its number of syllables (adult2 = 2 syllables).