Definition of underage
1 : of less than mature or legal age
2 : done by or involving underage persons <underage drinking>
Examples of underage in a sentence
They were not allowed into the club because they were underage.
First Known Use of underage
UNDERAGE Defined for English Language Learners
Definition of underage for English Language Learners
: too young to do something legally
Seen and Heard
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