Omission of proper attention; avoidance or disregard of duty, from heedlessness, indifference, or willfulness; failure to do, use, or heed anything; culpable disregard; as, neglect of business, of health, of economy.(noun)
Not to attend to with due care or attention; to forbear one's duty in regard to; to suffer to pass unimproved, unheeded, undone, etc.; to omit; to disregard; to slight; as, to neglect duty or business; to neglect to pay debts.(verb)