/ Dictionary / Index E euphonious: Meaning and Definition of Find definitions for: eu•pho•ni•ous Pronunciation: (y-fō'nē-us), [key] — adj. pleasant in sound; agreeable to the ear; characterized by euphony: a sweet, euphonious voice. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: euphonious (Thesaurus) euphonic euphonium Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language