- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
critic
-
dearth
-
acknowledgeable
-
shocked
-
extremity
-
chyron
-
napoleon i
-
heretic
-
accordance
-
helenium
- 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)