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单词 security
释义

securitynoun

uk​/sɪˈkjʊə.rə.ti/us​/səˈkjʊr.ə.t̬i/

security noun (PROTECTION)

B1 [ U ] protection of a person, building, organization, or country against threats such as crime or attacks by foreign countries:

The station was closed for two hours because of a security alert.
30 demonstrators were killed in clashes with the security forces over the weekend.
The tighter security measures/precautions include video cameras throughout the city centre.
The students were deported because they posed a threat to national security.
The banks must tighten security against fraud.
The most dangerous criminals are held in maximum-security prisons (= prisons that are as difficult as possible to escape from).

[ U, + sing/pl verb ] the group of people responsible for protecting a building:

You'll need to notify security if you want to work late in the office.

More examples

  • Why would a tenant agree to swap life-time security for a short-term lease?
  • You need some financial security when you have children.
  • Government bonds are a sound investment because they combine good profits and high security.
  • In this age of short-term contracts, job security often seems like a thing of the past.
  • If it's a choice between higher pay and job security, I'd prefer to keep my job.

Thesaurus: synonyms and related words

Protection and protectors

  • aegis
  • auspices
  • bailiff
  • bandobast
  • beefeater
  • buffer
  • conservation
  • guardian
  • homeland security
  • janitor
  • keeper
  • minder
  • night watchman
  • preservation
  • ranger
  • self-protection
  • sentinel
  • shield
  • warden
  • watchman

See more results »

security noun (CERTAINTY)

C1 [ U ] the fact that something is not likely to fail or be lost:

If it's a choice between higher pay and job security, I'd prefer to keep my job.
I'm on a temporary contract and have little financial security (= cannot be sure of having enough money to live on).

Thesaurus: synonyms and related words

Safe and secure

  • airworthy
  • as safe as houses idiom
  • bite
  • copper-bottomed
  • fail-safe
  • firmly
  • friendly
  • immune
  • in safe hands idiom
  • innocent
  • innocuous
  • inoffensive
  • inviolate
  • ozone-friendly
  • safety
  • safety net
  • sb/sth won't bite idiom
  • seaworthy
  • securely
  • sheltered

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security noun (FINANCE)

[ U ] property or goods that you promise to give to someone if you cannot pay what you owe them:

She used her shares in the company as security against a $23 million bank loan.
The hotel held onto our suitcases as security while we went to the bank to get money to pay the bill.
securities [ plural ] specialized

investment in a company or in government debt that can be traded on the financial markets and produces an income for the investor

Thesaurus: synonyms and related words

Borrowing & lending

  • be in the hole idiom
  • borrow
  • bounce
  • call it quits idiom
  • call sth in
  • debenture
  • fire sale
  • gearing
  • leverage
  • leveraged buyout
  • liability
  • liquidate
  • national debt
  • overpay
  • pay
  • put sth up
  • slate
  • square the accounts/books idiom
  • term
  • tick

See more results »

You can also find related words, phrases, and synonyms in the topics:

Stock markets

security noun (CONFIDENCE)

C2 [ U ] the feeling of being confident in one's family and relationships:

Most children need the security of a stable family life.

Thesaurus: synonyms and related words

Confidence & self-assurance

  • amour propre
  • aplomb
  • assertive
  • assertiveness training
  • assured
  • brass
  • breezy
  • bullish
  • dogmatic
  • dogmatism
  • dogmatist
  • forwardness
  • hold your head (up) high idiom
  • positively
  • rakish
  • safe
  • sassy
  • self-assertive
  • self-assured
  • self-belief

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securitynoun

us​/sɪˈkjʊər·ɪ·t̬i/

security noun (FREEDOM FROM RISK)

[ U ] freedom from risk and the threat of change for the worse :

financial/job security

security noun (FREE FROM DANGER)

[ U ] social studies freedom from danger; safety:

For security reasons, for the protection of the White House and the president, they felt it necessary to close the avenue.
A convicted spy, he sold information that may have damaged our national security.

[ U ] social studies Security is also the group of people responsible for keeping buildings or other areas safe:

If anyone gives you trouble, just call security.

security noun (INVESTMENT)

[ C usually pl ] an investment in a company or in government debt that can be traded on the financial markets

security noun (MONEY)

[ U ] money you pay someone that can be legally used by that person if your actions cause the person to lose money, but that will be returned to you if it is not used:

You have give the landlord an extra month’s rent as security when you sign the lease.

securitynoun

uk​/sɪˈkjʊərəti/us​

[ U ] the protection of people, organizations, countries, etc. against a possible attack or other crime:

border/homeland/national security
boost/improve/tighten security Airport security has been tightened since the terrorist threat.
lax/strict/tight security
He was head of security at the Federal Aviation Administration.
security firm/contractor/company
security system/check/measure Anyone entering the building has to undergo a series of security checks.
The airport was temporarily closed due to a security alert.
security cameras/lights/doors

[ U ] IT, BANKING, INTERNET the protection of information against being stolen or used wrongly or illegally:

data/information/IT security
security measures/checks/controls The bank has taken additional security measures to ensure accounts are protected.

[ U ] the fact or feeling that your job, money, etc. is safe and you will not lose it:

He left the relative security of a corporate job to set up on his own.
give/offer sb security His 15-year career in investment banking has given him the financial security to transfer his skills to the voluntary sector.
economic/financial security
They are concerned about the security of their investments.

[ C, usually plural ] plural securities FINANCE, STOCK MARKET a financial investment such as a bond or share that is traded on a financial market:

buy/hold/sell securities Investors who bought securities made up of subprime loans suffered the biggest losses.
deal in/invest in/issue securities
a securities agreement/audit/dealer
a securities business/company/house

[ U ] FINANCE property or goods that you promise to give someone if you cannot pay them what you owe them:

give/offer/pledge sth as security She signed papers pledging their home as security against the loan.

See also

asset-backed
bearer security
continuing security
convertible security
dated security
employment security
food security
fixed-interest security
gilts
government security
job security
listed security
long-term security
marketable security
medium-term security
mortgage-backed
negotiable
short-term security
undated security
unlisted security
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更新时间：2025/1/23 22:38:18