/ Dictionary / Index U unaccustomed: Meaning and Definition of Find definitions for: un•ac•cus•tomed Pronunciation: (un"u-kus'tumd), [key] — adj. not accustomed or habituated: to be unaccustomed to hardships. unusual; unfamiliar: A brief after-dinner speech is an unaccustomed pleasure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unaccustomed (Thesaurus) unaccounted-for una corda Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language