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English definition of “adult”

adult

noun [C]     /ˈæd.ʌlt/ /əˈdʌlt/
A1 a person or animal that has grown to full size and strength: An adult under English law is someone over 18 years old. Adults pay an admission charge but children get in free.Kinds of menMen and womenKinds of womenMen and women
(Definition of adult noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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