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Definition of grown–up
1 : not childish or immature : adult
2 : of, for, or characteristic of adults insisted on wearing grown–up clothes
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First Known Use of grown–up
1633
First Known Use of grown–up
1813
GROWN–UP Defined for English Language Learners
grown-up
play
adjective
Definition of grown–up for English Language Learners
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: no longer young : fully grown
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: suitable for adults
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: like an adult
grown-up
noun
Definition of grown–up for English Language Learners
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: a person who is fully grown
GROWN–UP Defined for Kids
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See words that rhyme with grown–up Spanish Central: Translation of grown–up
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