unused /ˌʌnˈjuːzd/ adjective Learner's definition of UNUSED
[more unused; most unused]
1
: not being used : not having been used before没用着的;闲置着的;从未用过的 -
unused airline tickets未使用过的机票
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unused disk space未占用的磁盘空间
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The library has been unused for 10 years.这个图书馆已闲置10年了。
2
: available for use in the future待用的
: not familiar or comfortable with (something) : not used to (something)不习惯;不熟悉