/ Dictionary / Index T teens: Meaning and Definition of Find definitions for: teens Pronunciation: (tēnz), [key] — n.pl. the numbers 13 through 19, esp. in a progression, as the 13th through the 19th years of a lifetime or of a given or implied century. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: teens (Thesaurus) teener teensy Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language