/ Dictionary / Index G gayly: Meaning and Definition of Find definitions for: gay•ly Pronunciation: (gā'lē), [key] — adv. gaily. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gayly (Thesaurus) gaylussite Gay Nineties Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language