Definition of SECURITY

means or method of defending <measures taken to beef up our national security>
Near Antonyms aggression, assault, attack, offense (or offence), offensive
something given or held to assure that the giver will keep a promise <their house will serve as security for the loan>
the state of not being exposed to danger <after the burglaries, police presence in the neighborhood was enhanced to give residents a stronger sense of security>

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