n. The condition or quality of being secure; secureness.n. Freedom from apprehension, anxiety, or care; confidence of power or safety; hence, assurance; certainty.n. Hence, carelessness; negligence; heedlessness.n. Freedom from risk; safety.n. That which secures or makes safe; protection; guard; defense.n. Something given, deposited, or pledged, to make certain the fulfillment of an obligation, the performance of a contract, the payment of a debt, or the like; surety; pledge.n. One who becomes surety for another, or engages himself for the performance of another's obligation.n. An evidence of debt or of property, as a bond, a certificate of stock, etc..