the state of being free from danger or injury;"we support the armed services in the name of national security"
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"
freedom from anxiety or fear;"the watch dog gave her a feeling of security"
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"
property that your creditor can claim in case you default on your obligation;"bankers are reluctant to lend without good security"
a department responsible for the security of the institution"s property and workers;"the head of security was a former policeman"
a guarantee that an obligation will be met
an electrical device that sets off an alarm when someone tries to break in
measures taken as a precaution against theft or espionage or sabotage etc.;"military security has been stepped up since the recent uprising"
mid-15c., "condition of being secure," from Latin securitas, from securus "free from care" (see secure). Replacing sikerte (early 15c.), from an earlier borrowing from Latin; earlier in the sense "security" was sikerhede (early 13c.); sikernesse (c. 1200).
Meaning "something which secures" is from 1580s; "safety of a state, person, etc." is from 1941. Legal sense of "property in bonds" is from mid-15c.; that of "document held by a creditor" is from 1680s. Phrase security blanket in figurative sense is attested from 1966, in reference to the crib blanket carried by the character Linus in the "Peanuts" comic strip (1956).
词态变化
复数 securities;
权威造句
1. It"s an open secret that the security service bugged telephones.
安全部门窃听电话是人人皆知的秘密。
来自柯林斯例句
2. Today"s Security Council resolution will be a significant success for American diplomacy.
今天的安理会决议对于美国外交而言是一次重大的成功。
来自柯林斯例句
3. Wherever they went they were closely followed by security men.
不管上哪儿，保安人员都紧跟在他们身后。
来自柯林斯例句
4. The exact locations are being kept secret for reasons of security.
确切地点因为安全原因要保密。
来自柯林斯例句
5. The security zone was set up to prevent guerrilla infiltrations.
设立了安全区以防止游击队员的渗入。
来自柯林斯例句
近反义词
Security Council 联合国安全理事会...
security blanket 安全毯
security clearance (对参加秘密工作人员...
security guard 安全警卫
security risk 危险人物
securities loan 融券
open prison 不设防监狱
closed-end securities investment fund 封闭式证券投资基金...
aviation security 航空安全
high-security 相当安全的
open-end securities investment fund 开放式证券投资基金...
Chief Security Officer 首席安全官
Chief Information security Officer 首席资讯安全官...
Employee Retirement Income Security Act 人员退休收入保障法案...
