Adjective:

1. failing in what duty requires;

   "derelict (or delinquent) in his duty"
   "neglectful of his duties"
   "remiss of you not to pay your bills"
   

negligentadj.疏忽的；粗心的；不在意的

laxadj.松弛的；松懈的；不严的；[语]松弛元音的

derelictadj.抛弃的；玩忽职守的n.被遗弃的人或物；玩忽职守者

neglectfuladj.疏忽的；不注意的

carelessadj.粗心的；疏忽的；草率的；无忧无虑的；漫不经心的

slipshodadj.穿塌跟鞋的；粗枝大叶的；不整洁的

slapdashadj.草率的；马虎的adv.鲁莽地；仓促地

inattentiveadj.心不在焉的；怠慢的；疏忽的

thoughtlessadj.没有考虑的；轻率的；粗心的；不体贴人的

inconsistentadj.不一致的；反复无常的

slackadj.松弛的；懈怠的；萧条的n.松弛的部分；松散；淡季vt.使缓慢；疏忽vi.变松弛；逃避工作

delinquentadj.有过失的；怠忽的；失职的；拖欠的n.行为不良的人；少年犯

carefuladj.小心谨慎的；慎重的；精心的

1. It is remiss of her to forget to pay the bill.
   她忘了付帐，真粗心大意。
2. I have been very remiss in writing to you.
   我不曾写信给你，实在疏忽之至。
3. I'd be remiss if I didn't mention it.
   如果我不提到它那就是不负责任。”
4. You have been very remiss in fulfilling your obligations.
   你一向太不负责了。