- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
watermelon
-
adumbrate
-
fag end
-
ingenious
-
pigeon-toed
-
bastion
-
demonstrate
-
atherodyde
-
adducing
-
showroom
- 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)