underage

adjective

un·​der·​age ˌən-dər-ˈāj 

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.

Recent Examples on the Web

On the campaign trail, Paxton has touted his lawsuits against major social media companies and his calls for restrictions on the ability of AI bots to interact with underage users. — Diana Paulsen, ABC News, 18 Sep. 2026

On Tuesday, Montgomery County police officers were called to a hospital where an underage teen girl reported a rape. — Louis Casiano , Bill Melugin, FOXNews.com, 18 Sep. 2026

He was also involved in launching the Parent Up campaign to spread awareness about underage drinking to parents, along with a variety of other projects directed at alcohol and drug abuse prevention. — Kacen Bayless, Kansas City Star, 18 Sep. 2026

Perpetrators target underage girls, typically between the ages of 10 and 17 years old, often preying on minors already struggling with mental health issues such as depression and suicidal ideation, according to the FBI. — Clara Harter, Los Angeles Times, 17 Sep. 2026

Word History

First Known Use

1561, in the meaning defined at sense 1

Kids Definition

underage

adjective

un·​der·​age ˌən-də-ˈrāj 

: of less than mature or legal age