Noun

• S: (n) security (the state of being free from danger or injury) "we support the armed services in the name of national security"
• S: (n) security, protection (defense against financial failure; financial independence) "his pension gave him security in his old age"; "insurance provided protection against loss of wages due to illness"
• S: (n) security (freedom from anxiety or fear) "the watch dog gave her a feeling of security"
• S: (n) security, certificate (a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends) "he held several valuable securities"
• S: (n) security, surety (property that your creditor can claim in case you default on your obligation) "bankers are reluctant to lend without good security"
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• S: (n) security, security department (a department responsible for the security of the institution's property and workers) "the head of security was a former policeman"
• S: (n) security, surety (a guarantee that an obligation will be met)
• S: (n) security system, security measure, security (an electrical device that sets off an alarm when someone tries to break in)
• S: (n) security, security measures (measures taken as a precaution against theft or espionage or sabotage etc.) "military security has been stepped up since the recent uprising"
• direct hypernym / inherited hypernym / sister term
• S: (n) precaution, safeguard, guard (a precautionary measure warding off impending danger or damage or injury etc.) "he put an ice pack on the injury as a precaution"; "an insurance policy is a good safeguard"; "we let our guard down"
• S: (n) measure, step (any maneuver made as part of progress toward a goal) "the situation called for strong measures"; "the police took steps to reduce crime"
• S: (n) maneuver, manoeuvre, tactical maneuver, tactical manoeuvre (a move made to gain a tactical end)
• S: (n) move (the act of deciding to do something) "he didn't make a move to help"; "his first move was to hire a lawyer"
• S: (n) decision, determination, conclusion (the act of making up your mind about something) "the burden of decision was his"; "he drew his conclusions quickly"
• S: (n) choice, selection, option, pick (the act of choosing or selecting) "your choice of colors was unfortunate"; "you can take your pick"
• S: (n) action (something done (usually as opposed to something said)) "there were stories of murders and other unnatural actions"
• S: (n) act, deed, human action, human activity (something that people do or cause to happen)
• S: (n) event (something that happens at a given place and time)
• S: (n) psychological feature (a feature of the mental life of a living organism)
• S: (n) abstraction, abstract entity (a general concept formed by extracting common features from specific examples)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))