/ Dictionary / Index T thrifty: Meaning and Definition of Find definitions for: thrift•y Pronunciation: (thrif'tē), [key] — thrift•i•er, thrift•i•est. practicing thrift or economical management; frugal: a thrifty shopper. thriving, prosperous, or successful. thriving physically; growing vigorously. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thrifty (Thesaurus) thriftshop thrill Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language