/ Dictionary / Index D dissimilate: Meaning and Definition of Find definitions for: dis•sim•i•late Pronunciation: (di-sim'u-lāt"), [key] — -lat•ed, -lat•ing. to modify by dissimilation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dissimilate (Thesaurus) dissimilarity dissimilation Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language