Designed to be disposed of after use:
More than usual; extra; surplus
Not essential; of relatively no importance; unnecessary
The definition of important is having great significance or consequence.
The definition of indispensable is essential or absolutely necessary.
The definition of useful is helpful or beneficial.
suitable to be expended
Find another word for expendable. In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for expendable, like: replaceable, disposable, excess, nonessential, important, indispensable, necessary, useful, spendable, unexpendable and supersedable.