1. used until no longer useful;

   "battered trumpets and raddled radios"
   "worn-out shoes with flapping soles"
   

2. drained of energy or effectiveness; extremely tired; completely exhausted;

   "the day's shopping left her exhausted"
   "he went to bed dog-tired"
   "was fagged and sweaty"
   "the trembling of his played out limbs"
   "felt completely washed-out"
   "only worn-out horses and cattle"
   "you look worn out"
   

1. worn-out的反义词

1. 磨破的：worn 用旧的 |worn-out 磨破的 | worried 闷闷不乐

2. 磨损的：worm wheel 蜗轮 |worn-out 磨损的 | wow [频率]颤动

3. 磨损了的：worn flat 磨平的 | worn out 磨损了的 | worn sand 磨损砂

4. 用坏的：worn in journal 磨合轴颈 | worn out 用坏的 | worn parts 磨损部件