- The definition of expendable is someone or something that is disposable or not necessary or important.
A person who contributes nothing to a project and who is thus not necessary to complete it is an example of someone who is expendable.
- that can be expended
- Mil. designating or of equipment or personnel considered worth sacrificing to achieve an objective
- designating or of a person or thing regarded as worth sacrificing under particular circumstances
- Subject to use or consumption: an expendable source.
- Not worth salvaging or reusing: expendable rocket boosters.
- Not strictly necessary; dispensable: an expendable budget item; expendable personnel.
- Open to sacrifice in the interests of gaining an objective, especially a military one: expendable civilian targets.
(comparative more expendable, superlative most expendable)
- Able to be expended; not inexhaustible.
- Oil and other expendable resources are frequently the subject of military disputes.
- Designed for a single use; not reusable.
- The anti-aircraft rocket is fired from an expendable launch platform.
- Not essential or mandatory in order to achieve a goal.
- The research department was deemed expendable, and its funding was not renewed.
- That which is regarded as not worth preserving or saving; able to be sacrificed.
- In the internecine rivalries of large corporations, whole departments may become expendable in the execution of one executive's power play.
- An expendable person or object; usually used in the plural.
- Private Johnson was afraid the Lieutenant considered him an expendable, since he was always picked as point man.
From Latin expendere + -able