American English

Definition of expendable adjective from the Oxford Advanced American Dictionary

 

expendable

 adjective
adjective
NAmE//ɪkˈspɛndəbl//
 
(formal)
 
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if you consider people or things to be expendable, you think that you can get rid of them when they are no longer needed, or think it is acceptable if they are killed or destroyed synonym dispensable
See the Oxford Advanced Learner's Dictionary entry: expendable