/ Dictionary / Index M merriment: Meaning and Definition of Find definitions for: mer•ri•ment Pronunciation: (mer'i-munt), [key] — n. cheerful or joyful gaiety; mirth; hilarity; laughter. a cause of mirth; a jest, entertainment, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: merriment (Thesaurus) Merrimack Merritt Island Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language