We found 13 dictionaries that define the word under age:

General (12 matching dictionaries)

1. under age: Collins English Dictionary
2. under-age: Wordnik
3. under age: Cambridge Advanced Learner's Dictionary
4. under-age: Dictionary.com
5. under-age (adj.): Online Etymology Dictionary
6. Under Age: Wikipedia, the Free Encyclopedia
7. Under-age: Online Plain Text English Dictionary
8. under-age: Webster's Revised Unabridged, 1913 Edition
9. Under-age: AllWords.com Multi-Lingual Dictionary
10. under-age: FreeDictionary.org
11. Under Age: A to Z list of the most popular idioms
12. Under Age, under-age: TheFreeDictionary.com

Slang (1 matching dictionary)

13. under-age, under age: Urban Dictionary

Types: juvenile, minor, infant, newborn, toddler, child, preteen, teenager, more... Phrases: under legal age, one under legal age, under the age, a person who is under full legal age, more... ▸ Word origin ▸ Words similar to under age ▸ Usage examples for under age ▸ Idioms related to under age ▸ Wikipedia articles (New!) ▸ Words that often appear near under age ▸ Rhymes of under age ▸ Invented words related to under age