/ Dictionary / Index H harmonious: Meaning and Definition of Find definitions for: har•mo•ni•ous Pronunciation: (här-mō'nē-us), [key] — adj. marked by agreement in feeling, attitude, or action: a harmonious group. forming a pleasingly consistent whole; congruous: harmonious colors. pleasant to the ear; tuneful; melodious. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: harmonious (Thesaurus) harmonic tone harmonist Related Content Daily Word Quiz: voracious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language