- Of, relating to, or undergoing adolescence. See Synonyms at young. (adjective)
- Characteristic of adolescence; immature: an adolescent sense of humor. (adjective)
- A young person who has undergone puberty but who has not reached full maturity; a teenager. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.