/ Dictionary / Index J joyous: Meaning and Definition of Find definitions for: joy•ous Pronunciation: ( joi'us), [key] — adj. joyful; happy; jubilant: the joyous sounds of children at play. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: joyous (Thesaurus) joyless joypop Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language