safety

A safety is a device that helps keep you from doing bad things, like the safety on a gun that prevents you from pulling the trigger accidentally.

Safety, besides meaning "the state of being safe," is used for things that promote safety. If you designate a special meeting place in case of emergency, that place is a safety. If you use contraception during sex, that's also a safety, to prevent pregnancy. In football it's a safety if a player is tackled behind his own goal line. And if you hit the baseball in a way to ensure you reach the base, that's called a safety too.

Definitions of safety
  1. noun
    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”
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    Antonyms:
    danger
    the condition of being susceptible to harm or injury
    types:
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    biosafety
    safety from exposure to infectious agents
    risklessness
    safety as a consequence of entailing no risk
    impregnability, invulnerability
    having the strength to withstand attack
    salvation
    the state of being saved or preserved from harm
    security
    the state of being free from danger or injury
    peace, public security
    the general security of public places
    secureness
    the state of freedom from fear or danger
    protection, shelter
    the condition of being protected
    type of:
    condition, status
    a state at a particular time
  2. noun
    a device designed to prevent injury or accidents
    synonyms: guard, safety device
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    types:
    fender
    a low metal guard to confine falling coals to a hearth
    safety catch, safety lock
    guard consisting of a locking device that prevents a weapon from being fired
    type of:
    device
    an instrumentality invented for a particular purpose
  3. noun
    a safe place
    “He ran to safety
    synonyms: refuge
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    types:
    harborage, harbourage
    (nautical) a place of refuge (as for a ship)
    type of:
    area, country
    a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)
  4. noun
    (baseball) the successful act of striking a baseball in such a way that the batter reaches base safely
    synonyms: base hit
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    types:
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    home run, homer
    a base hit on which the batter scores a run
    bingle, single
    a base hit on which the batter stops safely at first base
    double, two-bagger, two-base hit, two-baser
    a base hit on which the batter stops safely at second base
    three-bagger, three-base hit, triple
    a base hit at which the batter stops safely at third base
    line single, line-drive single
    a single resulting from a line drive
    line double, line-drive double
    a double resulting from a line drive
    line triple, line-drive triple
    a triple resulting from a line drive
    solo blast, solo homer
    a home run with no runners on base
    type of:
    hit
    (baseball) a successful stroke in an athletic contest (especially in baseball)
  5. noun
    a score in American football; a player is tackled behind his own goal line
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    type of:
    score
    the act of scoring in a game or sport
  6. noun
    contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
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