/ Dictionary / Index H harmonistic: Meaning and Definition of Find definitions for: har•mo•nis•tic Pronunciation: (här"mu-nis'tik), [key] — adj. pertaining to a harmonist or harmony. pertaining to the collation and harmonizing of parallel passages, as of the Gospels. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. harmonist harmonium Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language