The state of being negligent.
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.
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.
Truth.
The degree to which something, such as a knowledge structure, is veridical; the degree to which an experience, perception, or interpretation accurately represents reality.