negligence

The state or quality of being negligent.

A negligent act or a failure to act.

Failure to use the degree of care appropriate to the circumstances, resulting in an unintended injury to another.

An act or omission showing such lack of care.

The fact or the character of being negligent or neglectful; deficiency in or lack of care, exactness, or application; the omitting to do, or a habit of omitting to do, things which ought to be done, or the doing of such things without sufficient attention and care; carelessness;. heedless disregard of some duty.