/ Dictionary / Index T teensy: Meaning and Definition of Find definitions for: teen•sy Pronunciation: (tēn'sē), [key] — -si•er, -si•est. teeny; tiny. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: teensy (Thesaurus) teens teensy-weensy 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