/ Dictionary / Index E expendable: Meaning and Definition of Find definitions for: ex•pend•a•ble Pronunciation: (ik-spen'du-bul), [key] — adj. capable of being expended. (of an item of equipment or supply) consumed in use or not reusable. considered to be not worth keeping or maintaining. (of personnel, equipment, or supplies) capable of being sacrificed in order to accomplish a military objective. —n. Usually,an expendable person or thing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: expendable (Thesaurus) expend expenditure Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language