- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
activate
-
happiness
-
60th
-
elevator
-
rubbing alcohol
-
fidelity
-
typewriting
-
seraphic
-
pork
-
equality state
- 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)