security
- Top 1000
Sense 1
- noun
- B1
the things that are done to keep people, buildings or information safe from crime or attack
Security at the stadium was tightened after the trouble last season.
The bank installed new cameras to improve security in the main hall.
Use a longer password for better security on your email account.
Common collocations: tight security · improve security · security camera · national security · for security reasons
Part of: Buildings and places, Phone and internet, Public offices
Sense 2
- noun
- B1
A place at an airport or station where people and bags are checked before they can go through.
Take your laptop out of the bag before you reach security.
Liquids over one hundred millilitres will not pass through airport security.
Security was quick today, so we had time for coffee.
Common collocations: go through security · airport security · security check · clear security · security queue
Part of: Airports and stations, Means of transport, Holidays
Sense 3 · less common
- noun
- B2
the people whose job is to guard a building or event and deal with trouble
Security escorted the noisy group out of the concert hall.
Call security if anyone tries to open that door at night.
Two members of security were standing by the side entrance.
Common collocations: call security · security guard · security staff · hotel security · alert security
Part of: Airports and stations, Jobs, Buildings and places