/ Dictionary / Index A accustomed: Meaning and Definition of Find definitions for: ac•cus•tomed Pronunciation: (u-kus'tumd), [key] — adj. customary; usual; habitual: in their accustomed manner. habituated; acclimated (usually fol. by to): accustomed to staying up late; accustomed to the noise of the subway. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: accustomed (Thesaurus) accustom Accutane Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language