n. The condition or state of being safe; freedom from danger or hazard; exemption from hurt, injury, or loss.n. Freedom from whatever exposes one to danger or from liability to cause danger or harm; safeness; hence, the quality of making safe or secure, or of giving confidence, justifying trust, insuring against harm or loss, etc.n. Preservation from escape; close custody.n. the act or result of a ball-carrier on the offensive team being tackled behind his own goal line, or the downing of a ball behind the offensive team's own goal line when it had been carried or propelled behind that goal line by a player on the offensive tream; such a play causes a score of two points to be awarded to the defensive team; -- it is distinguished from touchback, when the ball is downed behind the goal after being propelled there or last touched by a player of the defending team. See Touchdown. Same as Safety touchdown, below.n. Short for Safety bicycle.n. a switch on a firearm that locks the trigger and prevents the firearm from being discharged unintentionally; -- also called safety catch, safety lock, or lock.