- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
assistance
-
acellular
-
adaptive radiation
-
bijou
-
dandy
-
liaise
-
admiral nelson
-
aurora
-
absolute scale
-
syllabus
- 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)