adolescent

[ ad-l-es-uhnt ]
/ ˌæd lˈɛs ənt /

adjective

growing to manhood or womanhood; youthful.
having the characteristics of adolescence or of an adolescent.

noun

an adolescent person.

Origin of adolescent

1475–85; < Latin adolēscent- (stem of adolēscēns growing up, present participle of adolēscere), equivalent to adol(ē)- (see adult) + -ēsc- -esce + -ent- -ent
Related formsad·o·les·cent·ly, adverbpost·ad·o·les·cent, adjective, nounsub·ad·o·les·cent, adjective, noun
Can be confusedadolescence adolescents (see synonym study at adolescent)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for adolescent

adolescent

/ (ˌædəˈlɛsənt) /

adjective

of or relating to adolescence
informal behaving in an immature way; puerile

noun

an adolescent person
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

Medicine definitions for adolescent

adolescent

[ ăd′l-ĕsənt ]

adj.

Of, relating to, or undergoing adolescence.

n.

A young person who has undergone puberty but who has not reached full maturity; a teenager.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.