Definition of “come of age” - English Dictionary

british dictionary

“come of age” in British English

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come of age

to reach the age when you are legally recognized as an adult

If something has come of age, it has reached its full successful development.

(Definition of “come of age” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“come of age” in American English

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come of age

to reach the age when you are legally an adult:

My parents came of age during the 1960s.

(Definition of “come of age” from the Cambridge Academic Content Dictionary © Cambridge University Press)