New American Oxford Dictionary
expendable
ex pend a ble |ikˈspendəbəl ɪkˈspɛndəbəl | ▶adjective (of an object ) designed to be used only once and then abandoned or destroyed: the need for unmanned and expendable launch vehicles. • of little significance when compared to an overall purpose, and therefore able to be abandoned: the region is expendable in the wider context of national politics. DERIVATIVES ex pend a bil i ty |ikˌspendəˈbilitē |noun, ex pend a bly |-əblē |adverb
Oxford Dictionary
expendable
ex ¦pend |able |ɪkˈspɛndəb (ə )l, ɛk- | ▶adjective of relatively little significance, and therefore able to be abandoned or destroyed: the region is expendable in the wider context of national politics. • (of an object ) designed to be used only once and then abandoned or destroyed: unmanned and expendable launch vehicles. DERIVATIVES expendability |-ˈbɪlɪti |noun, expendably adverb
American Oxford Thesaurus
expendable
expendable adjective 1 an accountant decided Mathers was expendable: dispensable, replaceable, nonessential, inessential, unnecessary, noncore, unneeded, not required, superfluous, disposable. ANTONYMS indispensable, essential. 2 an expendable satellite launcher: disposable, throwaway, single-use.
Oxford Thesaurus
expendable
expendable adjective 1 he was tossed out of work when an accountant decided he was expendable: dispensable, able to be sacrificed, replaceable; non-essential, inessential, not essential, unimportant, unnecessary, unneeded, not required; superfluous, extraneous; disposable. ANTONYMS indispensable; important. 2 an expendable satellite launcher: disposable, throwaway, one use, single-use, replaceable.
Sanseido Wisdom Dictionary
expendable
ex p é nd a ble 形容詞 ⦅かたく ⦆消費できる, 消耗品の ; 使い捨ての ; 〘軍 〙消耗的な, 〈兵員が 〉 (時を稼ぐために )犠牲に供し得る .名詞 C 〖通例 ~s 〗消耗品 ; 犠牲に供し得る兵員 .