security

noun

OPAL W

/sɪˈkjʊərəti/

/sɪˈkjʊrəti/

(plural securities)

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protection

[uncountable] the activities involved in protecting a country, building or person against attack, danger, etc.

national/homeland security (= the defence of a country)
airport security officers
security against something The bars are to provide security against break-ins.
They carried out security checks at the airport.
Passwords are a very important security measure.
The visit took place amidst tight security (= the use of many police officers).
the security forces/services (= the police, army, etc.)
a high/maximum security prison (= for dangerous criminals)
a security alert/threat/situation
a security adviser/expert
The criminals were caught (= filmed) on a security video.
to tighten/improve/enhance security
The team abandoned its tour due to security concerns.
The two countries agreed to work together to strengthen border security.
We will protect our national security.

see also high-security, minimum security prison

Extra Examples

For security reasons, passengers are requested not to leave any luggage unattended.
Screw windows to the frame for maximum security.
The leaking of state secrets has compromised national security.
He lost his security clearance because he failed a lie-detector test.
The demonstrations were brutally broken up by the security forces.
Soldiers stand at security checkpoints.

Topics Law and justiceb1

Oxford Collocations Dictionaryadjective

heightened
strict
tight
…

verb + security

provide (somebody with)
ensure
guarantee
…

security + noun

apparatus
forces
services
…

preposition

security against

phrases

for security reasons
a high level of security
peace and security
…

See full entry

[uncountable] a place at an airport where you go after your passport has been checked so that officials can find out if you are carrying illegal drugs or weapons

My bag was emptied and searched when I went through security.
It took ages to clear security and reach the departure lounge.
Airport security might decide you're unfit to fly.

Wordfinder

airport
baggage reclaim
board
check-in
gate
immigration
lounge
passport
security
terminal

Topics Transport by airb1

[uncountable + singular or plural verb] the department of a large company or organization that deals with the protection of its buildings, equipment and staff

Security was/were called to the incident.

[uncountable] protection against something bad that might happen in the future

financial security
Job security (= the guarantee that you will keep your job) is a thing of the past.
Which type of investment offers the greatest security?
This system provides basic security for employees.

see also food security, information security

Oxford Collocations Dictionaryadjective

greater
emotional
psychological
…

verb + security

have
give (somebody)
provide (somebody with)
…

security + noun

blanket

phrases

a false sense of security
a feeling of security
a sense of security
…

See full entry

feeling happy/safe

[uncountable] the state of feeling happy and safe from danger or worry

the security of a loving family life
She'd allowed herself to be lulled into a false sense of security (= a feeling that she was safe when in fact she was in danger).

Extra Examples

He gave her the emotional security she needed.
They have the security of a good home.

Topics Feelingsb2

Oxford Collocations Dictionaryadjective

greater
emotional
psychological
…

verb + security

have
give (somebody)
provide (somebody with)
…

security + noun

blanket

phrases

a false sense of security
a feeling of security
a sense of security
…

See full entry

for a loan

[uncountable, countable] a valuable item, such as a house, that you agree to give to somebody if you are unable to pay back the money that you have borrowed from them

as security for something His home and business are being held as security for the loan.

She pledged her jewellery as security for a £50 000 loan.
His father agreed to stand security for his son's house-purchase loan.
The bank will make a loan against the security of the lender's house.

Topics Moneyc2

Oxford Collocations Dictionaryverb + security

put up (something as)
use something as
hold (something as)
…

preposition

against the security of
as security
security for
…

See full entry

shares in company

securities

[plural] (finance) documents proving that somebody is the owner of shares, etc. in a particular company

government securities

Extra Examples

a securities lawyer with Tinson and Zelkins
the faltering securities market
Wall Street securities firms

Oxford Collocations Dictionaryadjective

agency
company
corporate
…

verb + securities

issue
buy
purchase
…

securities + noun

company
firm
market
…

See full entry

see also old age security, social security

Word Originlate Middle English: from Old French securite or Latin securitas, from securus ‘free from care’, from se- ‘without’ + cura ‘care’.

单词	security
释义	security noun OPAL W /sɪˈkjʊərəti/ /sɪˈkjʊrəti/ (plural securities) jump to other results protection [uncountable] the activities involved in protecting a country, building or person against attack, danger, etc. national/homeland security (= the defence of a country) airport security officers security against something The bars are to provide security against break-ins. They carried out security checks at the airport. Passwords are a very important security measure. The visit took place amidst tight security (= the use of many police officers). the security forces/services (= the police, army, etc.) a high/maximum security prison (= for dangerous criminals) a security alert/threat/situation a security adviser/expert The criminals were caught (= filmed) on a security video. to tighten/improve/enhance security The team abandoned its tour due to security concerns. The two countries agreed to work together to strengthen border security. We will protect our national security. see also high-security, minimum security prison Extra Examples For security reasons, passengers are requested not to leave any luggage unattended. Screw windows to the frame for maximum security. The leaking of state secrets has compromised national security. He lost his security clearance because he failed a lie-detector test. The demonstrations were brutally broken up by the security forces. Soldiers stand at security checkpoints. Topics Law and justiceb1 Oxford Collocations Dictionaryadjective heightened strict tight … verb + security provide (somebody with) ensure guarantee … security + noun apparatus forces services … preposition security against phrases for security reasons a high level of security peace and security … See full entry [uncountable] a place at an airport where you go after your passport has been checked so that officials can find out if you are carrying illegal drugs or weapons My bag was emptied and searched when I went through security. It took ages to clear security and reach the departure lounge. Airport security might decide you're unfit to fly. Wordfinder airport baggage reclaim board check-in gate immigration lounge passport security terminal Topics Transport by airb1 [uncountable + singular or plural verb] the department of a large company or organization that deals with the protection of its buildings, equipment and staff Security was/were called to the incident. [uncountable] protection against something bad that might happen in the future financial security Job security (= the guarantee that you will keep your job) is a thing of the past. Which type of investment offers the greatest security? This system provides basic security for employees. see also food security, information security Oxford Collocations Dictionaryadjective greater emotional psychological … verb + security have give (somebody) provide (somebody with) … security + noun blanket phrases a false sense of security a feeling of security a sense of security … See full entry feeling happy/safe [uncountable] the state of feeling happy and safe from danger or worry the security of a loving family life She'd allowed herself to be lulled into a false sense of security (= a feeling that she was safe when in fact she was in danger). Extra Examples He gave her the emotional security she needed. They have the security of a good home. Topics Feelingsb2 Oxford Collocations Dictionaryadjective greater emotional psychological … verb + security have give (somebody) provide (somebody with) … security + noun blanket phrases a false sense of security a feeling of security a sense of security … See full entry for a loan [uncountable, countable] a valuable item, such as a house, that you agree to give to somebody if you are unable to pay back the money that you have borrowed from them as security for something His home and business are being held as security for the loan. She pledged her jewellery as security for a £50 000 loan. His father agreed to stand security for his son's house-purchase loan. The bank will make a loan against the security of the lender's house. Topics Moneyc2 Oxford Collocations Dictionaryverb + security put up (something as) use something as hold (something as) … preposition against the security of as security security for … See full entry shares in company securities [plural] (finance) documents proving that somebody is the owner of shares, etc. in a particular company government securities Extra Examples a securities lawyer with Tinson and Zelkins the faltering securities market Wall Street securities firms Oxford Collocations Dictionaryadjective agency company corporate … verb + securities issue buy purchase … securities + noun company firm market … See full entry see also old age security, social security Word Originlate Middle English: from Old French securite or Latin securitas, from securus ‘free from care’, from se- ‘without’ + cura ‘care’.
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