/ Dictionary / Index I indispensable: Meaning and Definition of Find definitions for: in•dis•pen•sa•ble Pronunciation: (in"di-spen'su-bul), [key] — adj. absolutely necessary, essential, or requisite: an indispensable member of the staff. incapable of being disregarded or neglected: an indispensable obligation. —n. a person or thing that is indispensable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: indispensable (Thesaurus) indiscussible indispose Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language