Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Subject to use or consumption: an expendable source.
  • adj. Not worth salvaging or reusing: expendable rocket boosters.
  • adj. Not strictly necessary; dispensable: an expendable budget item; expendable personnel.
  • adj. Open to sacrifice in the interests of gaining an objective, especially a military one: expendable civilian targets.
  • n. Something expendable.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Able to be expended; not inexhaustible.
  • adj. Designed for a single use; not reusable.
  • adj. Not essential or mandatory in order to achieve a goal.
  • adj. That which is regarded as not worth preserving or saving; able to be sacrificed.
  • n. An expendable person or object; usually used in the plural.

from The Century Dictionary and Cyclopedia

  • That can be expended or consumed by use: as, articles expendable and not expendable.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. suitable to be expended
  • adj. (used of funds) remaining after taxes

Etymologies

From Latin expendere + -able (Wiktionary)

Examples

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