The definition of a teenager is a person who is between ages 13 and 19, all numbers ending in the suffix -teen.noun
An example of a teenager is someone who just has their thirteenth birthday.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a person in his or her teens
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A person between the ages of 13 and 19; an adolescent.