negligencen.[F. ngligence, L. negligentia.] The quality or state of being negligent; lack of due diligence or care; omission of duty; habitual neglect; heedlessness.()2. An act or instance of negligence or carelessness.()remarking his beauties, . . . I must also point out his negligences and defects. (Blair.)3. (Law) The omission of the care usual under the circumstances, being convertible with the Roman culpa. A specialist is bound to higher skill and diligence in his specialty than one who is not a specialist, and liability for negligence varies acordingly.()Contributory negligence. See under Contributory.()()