SINCE 1828

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1

grown-up

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adjective \ ˈgrōn-ˌəp \

Definition of grown-up

1 :not childish or immature :adult

2 :of, for, or characteristic of adults

insisted on wearing grown-up clothes

See grown-up defined for English-language learners

See grown-up defined for kids

First Known Use of grown-up

1633

grown-up Synonyms

Synonyms

grown-up, mature

Antonyms

adolescent, immature

Near Antonyms

childish, infantile, kiddish

2

grown-up

noun

Definition of grown-up

:adult

See grown-up defined for English-language learners

First Known Use of grown-up

1813

grown-up Synonyms

Synonyms

grown-up

Related Words

middle-ager; ancient, elder, gaffer, graybeard, oldster, old-timer, senior, senior citizen

Near Antonyms

bairn [chiefly Scottish], child, cub, kid, moppet, tad, toddler, tot, tyke (also tike); baby, infant; adolescent, juvenile, minor, youngling, youngster, youth; preteen, preteen-ager, teen, teenager, teener, teenybopper, tween

GROWN-UP Defined for English Language Learners

grown-up

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adjective

Definition of grown-up for English Language Learners

: no longer young : fully grown
: suitable for adults
: like an adult

grown-up

noun

Definition of grown-up for English Language Learners

: a person who is fully grown

GROWN-UP Defined for Kids

1

grown-up

adjective \ ˈgrōn-ˌəp \

Definition of grown-up for Students

:¹adult

2

grown-up

noun

Definition of grown-up for Students

:an adult person

Learn More about grown-up

See words that rhyme with grown-up Thesaurus: All synonyms and antonyms for grown-up Nglish: Translation of grown-up for Spanish speakers Britannica English: Translation of grown-up for Arabic speakers

Seen and Heard

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BROWSE DICTIONARY

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grown

grown-up

grown-upness

grow on

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