security - definition, thesaurus and related words from WordNet-Online

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Noun security has 9 senses

security - the state of being free from danger or injury; "we support the armed services in the name of national security"
--₁ is a kind of safety
Antonyms: insecurity
--₁ has particulars:
peace, public security; secureness; protection, shelter

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"
--₂ is a kind of legal document, legal instrument, official document, instrument
--₂ has particulars:

government security, agency security; mortgage-backed security; registered security; scrip; stock certificate, stock; bond, bond certificate; zero-coupon security; partnership certificate; proprietorship certificate; convertible, convertible security; letter security; listed security; unlisted security, over the counter security, OTC security

security, security department - a department responsible for the security of the institution's property and workers; "the head of security was a former policeman"
--₃ is a kind of department, section
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"
--₄ is a kind of precaution, safeguard, guard
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"
--₅ is a kind of assets
--₅ has particulars: easy street; hedge, hedging; insurance
security - freedom from anxiety or fear; "the watch dog gave her a feeling of security"
--₆ is a kind of fearlessness, bravery
--₆ has particulars: confidence
security system, security measures, security - an electrical device that sets off an alarm when someone tries to break in
--₇ is a kind of electrical device
security, surety - property that your creditor can claim in case you default on your obligation; "bankers are reluctant to lend without good security"
--₈ is a kind of transferred property, transferred possession
--₈ has particulars:
deposit; earnest; recognizance, recognisance; warrant, stock warrant, stock-purchase warrant
security, surety - a guarantee that an obligation will be met
--₉ is a kind of guarantee, warrant, warrantee, warranty