- 1 [uncountable] the activities involved in protecting a country, building, or person against attack, danger, etc. national security (= the defense of a country) airport security They carried out security checks at the airport. The visit took place amid 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 The criminals were caught (= filmed) on a security video. Topic CollocationsInternational Relationstrade facilitate/regulate trade (with other countries) form/join a trading bloc live in/compete in a global/the world economy support/promote free trade adopt/call for/oppose protectionist measures erect/impose/reduce/remove trade barriers impose/lift/raise/eliminate import tariffs (on something) have/run a huge/large/growing trade surplus/deficit embrace/resist/drive globalizationpolitics and law handle/talk about/discuss foreign policy pursue an aggressive/a hawkish foreign policy require/use/conduct diplomacy establish/break off/sever/restore diplomatic relations/ties foster/promote/strengthen regional cooperation facilitate/achieve economic/political integration exercise/defend/protect/transfer/restore/regain national/state/full/limited sovereignty consolidate/extend/lose/retain your power (in the region) hold/maintain/change/alter/shift the balance of power (in the region) cause/create/open/expose/heal/repair a deep/growing/major/serious rift between X and Ymeetings and agreements have/hold/host/attend an international conference/an economic forum/a G20 summit lead/launch a new round of global/multilateral/world trade negotiations send/head/lead/meet a high-level/an official/a trade delegation facilitate/begin/start/continue/resume peace talks be committed to/be opposed to/disrupt/undermine/derail/sabotage the peace process negotiate/achieve a lasting political settlement broker/sign a peace deal/agreement/treatyconflict be/constitute/pose a threat to global security compromise/endanger/protect national security justify/be in favor of/support/be against/oppose military intervention threaten/authorize/launch/take/support/oppose unilateral/preemptive military action impose/enforce/lift/end economic sanctions/an arms embargo/a naval blockade close/protect/secure/patrol the border lead/be involved in a peacekeeping operationaid negotiate/announce a $15 billion aid package/an economic stimulus package send/provide/request/cut off military aid bring/provide emergency/humanitarian relief deliver/distribute medical supplies/food supplies fund/run a foreign/a local/an international NGO reduce/eradicate/combat/fight child/global/world poverty see also high-security
- 2 [uncountable] the department of a large company or organization that deals with the protection of its buildings, equipment, and staff Security was called to the incident.
- 3[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? feeling happy/safe
- 4[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). for a loan
- 5[uncountable, countable] a valuable item, such as a house, that you agree to give to someone if you are unable to pay back the money that you have borrowed from them His home and business are being held as security for the loan. shares in company
- 6securities [plural] (finance) documents proving that someone is the owner of shares, etc. in a particular company government securities see also Social Security
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