Antonyms of noun security

1 of 9 senses of security

Sense 1
security -- (the state of being free from danger or injury; "we support the armed services in the name of national security")
       Antonym of insecurity (Sense 1)
      => insecurity -- (the state of being subject to danger or injury)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun security

9 senses of security

Sense 1
security -- (the state of being free from danger or injury; "we support the armed services in the name of national security")
       => safety -- (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")

Sense 2
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")
       => assets -- (anything of material value or usefulness that is owned by a person or company)

Sense 3
security -- (freedom from anxiety or fear; "the watch dog gave her a feeling of security")
       => fearlessness, bravery -- (feeling no fear)

Sense 4
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")
       => legal document, legal instrument, official document, instrument -- ((law) a document that states some contractual relationship or grants some right)

Sense 5
security, surety -- (property that your creditor can claim in case you default on your obligation; "bankers are reluctant to lend without good security")
       => transferred property, transferred possession -- (a possession whose ownership changes or lapses)

Sense 6
security, security department -- (a department responsible for the security of the institution's property and workers; "the head of security was a former policeman")
       => department, section -- (a specialized division of a large organization; "you'll find it in the hardware department"; "she got a job in the historical section of the Treasury")

Sense 7
security, surety -- (a guarantee that an obligation will be met)
       => guarantee, warrant, warrantee, warranty -- (a written assurance that some product or service will be provided or will meet certain specifications)

Sense 8
security system, security measure, security -- (an electrical device that sets off an alarm when someone tries to break in)
       => electrical device -- (a device that produces or is powered by electricity)

Sense 9
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")
       => 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")

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