protection
1 [uncountable] the activities involved in protecting a country, building or person against attack, danger, etcnational security (= the defence of a country)airport securityThey carried out security checks at the airport.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 alertThe criminals were caught (= filmed) on a security video. see also high-security2 [uncountable + singular or plural verb] the department of a large company or organization that deals with the protection of its buildings, equipment and staffSecurity was/were called to the incident.3 [uncountable] protection against something bad that might happen in the futurefinancial securityJob security (= the guarantee that you will keep your job) is a thing of the past.Which type of investment offers the greatest security? feeling happy/safe
4 [uncountable] the state of feeling happy and safe from danger or worrythe security of a loving family lifeShe'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).
for a loan
5 [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 themHis home and business are being held as security for the loan.
shares in company
6 securities [plural] (finance) documents proving that somebody is the owner of shares, etc. in a particular companygovernment securities see also social security
International relationsTradefacilitate/regulate trade (with other countries)form/join a trading bloclive in/compete in a global/the world economysupport/promote free tradeadopt/call for/oppose protectionist measureserect/impose/reduce/remove trade barriersimpose/lift/raise/eliminate import tariffs (on something)have/run a huge/large/growing trade surplus/deficitembrace/resist/drive globalizationPolitics and lawconduct/handle/talk about/discuss foreign policypursue an aggressive/a hawkish foreign policyrequire/use/conduct diplomacyestablish/break off/sever/restore diplomatic relationsfoster/promote/strengthen regional cooperationfacilitate/achieve economic/political integrationexercise/defend/protect/transfer/restore/regain national/state/full/limited sovereigntyconsolidate/extend/lose/retain your power (in the region)hold/maintain/change/alter/shift/be a shift in the balance of power (in the region)cause/create/open/expose/heal/repair a deep/growing/major/serious rift between X and YMeetings and agreementshave/hold/host/attend an international conference/an economic forum/a G20 summitlaunch a new round of global/multilateral/world trade negotiationssend/head/lead/meet a high-level/an official/a trade delegationbegin/start/continue/resume peace talksbe committed to/be opposed to/disrupt/undermine/derail/sabotage the peace processnegotiate/achieve a lasting political settlementbroker/sign a peace deal/agreement/treatyConflictbe/constitute/pose a threat to global securitycompromise/endanger/protect national securityjustify/be in favour of/(especially US) be in favor of/be against military interventionthreaten/authorize/launch/take/support/oppose unilateral/pre-emptive military actionimpose/enforce/lift/end economic sanctions/an arms embargo/a naval blockadeclose/protect/secure/patrol the borderlead/be involved in a peacekeeping operationAidnegotiate/announce a $15 billion aid package/an economic stimulus packagesend/provide/request/cut off military aidbring/provide emergency/humanitarian reliefdeliver/distribute medical supplies/(British English) food parcelsfund/run a foreign/a local/an international NGOreduce/eradicate child/global/world poverty
sɪˈkjʊərəti 
səˈkjʊrəti 