safety

n. security, freedom from danger; quality of not causing injury or loss; lock that prevents accidental firing of a gun; any security device; (Football) tackle of an offensive player in his own end zone (scores 2 points for defense); condom (Slang)

Safety is the state of being "safe" (from French sauf), the condition of being protected against physical, social, spiritual, financial, political, emotional, occupational, psychological, educational or other types or consequences of failure, damage, error, accidents, harm or any other event which could be considered non-desirable. This can take the form of being protected from the event or from exposure to something that causes health or economical losses. It can include protection of people or of possessions.
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Safety, n the condition of possessing freedom from being exposed to risk, danger, or harm. safety avoidance of occupational, iatrogenic or personal [more]Safety - Community and Resources

Noun
1. the state of being certain that adverse effects will not be caused by some agent under defined conditions; "insure the safety of the children"; "the reciprocal of safety is risk"
(antonym) danger
(hypernym) condition, status
(hyponym) biosafety
2. a safe place; "He ran to safety"
(synonym) refuge
(hypernym) area, country
(hyponym) harborage, harbourage
3. a device designed to prevent injury
(synonym) guard, safety device
(hypernym) device
(hyponym) fender
4. (baseball) the successful act of striking a baseball in such a way that the batter reaches base safely
(synonym) base hit, bingle
(hypernym) hit
(hyponym) homer, home run
(classification) baseball, baseball game, ball
5. contraceptive device consisting of a thin rubber or latex sheath worn over the penis during intercourse
(synonym) condom, rubber, safe, prophylactic
(hypernym) contraceptive, preventive, preventative, contraceptive device, prophylactic device, birth control device
6. a score in American football; a player is tackled behind his own goal line
(hypernym) score
(classification) American football, American football game

(n.)
The condition or state of being safe; freedom from danger or hazard; exemption from hurt, injury, or loss.
  

(n.)
Same as Safety touchdown, below.
  

(n.)
Preservation from escape; close custody.
  

(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.