/ Dictionary / Index D disaccustom: Meaning and Definition of Find definitions for: dis•ac•cus•tom Pronunciation: (dis"u-kus'tum), [key] — v.t. to cause to lose a habit: In the country I was quickly disaccustomed of sleeping late. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. disaccredit disadvantage Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language