- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
extermination
-
aceraceae
-
ket
-
evacuation
-
caretaker
-
countries
-
zygomycetes
-
absorbed
-
maned wolf
-
rebuild
- Hide translation
surveillance
surveillance /sɝˈveɪləns/
noun
-
(
)
Close observation of a person or group (usually by the police)
(
surveillance
)
close observation of a person or group (usually by the police)