/ Dictionary / Index D disassociate: Meaning and Definition of Find definitions for: dis•as•so•ci•ate Pronunciation: (dis"u-sō'shē-āt", -sē-), [key] — -at•ed, -at•ing. to dissociate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disassociate (Thesaurus) disassemble disassortative mating Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language