an act that does not achieve its intended goal

marked by lack of attention or consideration or forethought or thoroughness; not careful

willful negligence

(law) negligence allocated between the plaintiff and the defendant with a corresponding reduction in damages paid to the plaintiff

(law) negligence of two of more persons acting independently; the plaintiff may sue both together or separately

(law) behavior by the plaintiff that contributes to the harm resulting from the defendant's negligence

(law) recklessly acting without reasonable caution and putting another person at risk of injury or death (or failing to do something with the same consequences)