unused

同义词：

fresh | new | unaccustomed | untouched | firsthand | original | unfamiliar | idle | brand-new | pristine | vacant | unemployed | unexploited | fallow | unacquainted | inexperienced |

反义词：

used |

词义辨析：

同义:

a.新的; 新鲜的

new

fresh

firsthand

original

untouched

反义:

a.不用的; 用剩的

used