negligent

a negligent attitude

be negligent in one's work

to dress with negligent grace

neglectful of their responsibilities.See Synonyms at negligent

a slack worker.See Synonyms at negligent

I was negligent,I admit it.

If the government is proved negligent, compensation will be payable.

the council had been negligent in its supervision of the children in care.

an accident caused by a negligent driver;

The committee heard that he had been negligent in his duty.

Under Mobutu Sese Seko's negligent and plunderous rule, much of the Belgian-built road system was buried under rainforest or destroyed by heavy lorries and lack of maintenance.