/ Dictionary / Index G gaiety: Meaning and Definition of Find definitions for: gai•e•ty Pronunciation: (gā'i-tē), [key] — pl. -ties. the state of being gay or cheerful; gay spirits. Often,merrymaking or festivity: the gaieties of the New Year season. showiness; finery: gaiety of dress. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gaiety (Thesaurus) Gaia hypothesis gaijin* Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language