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Synonyms

underage

1 American  
[uhn-der-eyj] / ˌʌn dərˈeɪdʒ /

adjective

  1. lacking the required age, especially that of legal maturity.


underage 2 American  
[uhn-der-ij] / ˈʌn dər ɪdʒ /

noun

  1. shortage; deficiency in amount.


underage British  
/ ˌʌndərˈeɪdʒ /

adjective

  1. below the required or standard age, esp below the legal age for voting or drinking

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of underage1

First recorded in 1585–95; under- + age

Origin of underage2

First recorded in 1605–15; under- + -age

Vocabulary lists containing underage

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Yet, it did not effectively gauge the age of users or get parental consent for use from those underage.

From BBC Aug. 21, 2026

Meta deactivates accounts that it suspects are underage.

From The Wall Street Journal Aug. 16, 2026

The AGs also claim Meta violates the 1998 Children’s Online Privacy Protection Act because it doesn’t do enough to block underage users who misrepresent their age.

From The Wall Street Journal Aug. 16, 2026

The lawsuit accused Snap of consistently turning a “blind eye” to underage users of its app.

From Los Angeles Times Jun. 25, 2026

And now Harry came to think of it, surely it wasn’t usual for the Minister of Magic himself to get involved in matters of underage magic?

From "Harry Potter And The Prisoner Of Azkaban" by J.K. Rowling

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