What is the meaning of Negligence?

The state of being negligent.

The tort whereby a duty of reasonable care was breached, causing damage: any conduct short of intentional or reckless action that falls below the legal standard for preventing unreasonable injury.

The breach of a duty of care: the failure to exercise a standard of care that a reasonable person would have in a similar situation.

negligence (state of being negligent)

Source: wiktionary.org