Adjective:

1. not wanted; not needed;

   "tried to give away unwanted kittens"
   

2. not wanted;

   "undesirable impurities in steel"
   "legislation excluding undesirable aliens"
   "removed the unwanted vegetation"
   

unwelcomeadj.不受欢迎的；讨厌的

unpopularadj.不流行的；不受欢迎的

needlessadj.不需要的；无用的

friendlessadj.没有朋友的；无依无靠的

undesirableadj.不受欢迎的；不良的；不合意的；讨厌的n.不受欢迎的人；不良分子

surplusn.过剩；顺差；盈余adj.过剩的；多余的

superfluousadj.多余的；过剩的；不必要的

unnecessaryadj.不必要的；多余的

discardedadj.放弃的；删除的动词discard的过去式和过去分词形式.

redundantadj.多余的，过多的；累赘的，冗长的；解雇的；重复的，千篇一律的

uselessadj.无用的；无效的

unsolicitedadj.未经请求的；主动提供的

annoyingadj.恼人的；讨厌的

uninvitedadj.未被邀请的；未经请求的

wantedadj.受到通缉的动词want的过去式及过去分词.

1. respect affectionately
   
2. The disturbance caused in a circuit by an unwanted transfer of energy from another circuit.
   从另一线路传送来的不必要的能量在线路中引起的干扰。
3. Professor Gravity now seems to have become an unwanted fixture in the college.
   格雷维蒂教授现在好像成了学院里的累赘。
4. All the unwanted stuff should be got rid of.
   所有没用的物品都应该扔掉。
5. Cats can help rid the home of unwanted pests.
   猫能帮忙清除家里讨厌的老鼠。
6. Unwanted visitors will be turned off.
   不受欢迎的来访者将会被请走。