- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
abrogate
-
tribunal
-
speak
-
apple sauce
-
graduate
-
heartily
-
thaw
-
rhetorical
-
abruzzo
-
revenge
- 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)