- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
essence
-
goodbye
-
abaft
-
psychiatric
-
piggish
-
persevere
-
accipitridae
-
mercenary
-
ironmongery
-
jive
- 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)