noun · formal
surveillance
UK/səˈveɪləns/US/sɚˈveɪləns/sur·VEIL·lance
close observation, especially of a person or group considered suspicious or for security purposes
Examples
“The city increased surveillance after the attacks.”
“People worry that mass surveillance threatens privacy.”
“CCTV cameras are a common form of surveillance in urban areas.”
Band 8 sentence
“The expansion of state surveillance technologies raises difficult questions about the balance between security and civil liberties.”
Collocations
- mass surveillance
- electronic surveillance
- surveillance cameras
Word family
Common mistakes
many surveillances→much surveillance / a lot of surveillance
the surveillance cameras is working→the surveillance cameras are working
Say it for a higher band
5watching→6monitoring→7+surveillance
Synonyms
monitoring
Easily confused
monitoring
“The hospital uses monitoring to track patients' vital signs.”
Related words
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In Society & Government
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