to do tests on a lot of people to find out whether they have a particular illness:
test for illnessMH
All women over 50 will be regularly screened.
screen somebody for something
It is now possible to screen babies for diabetes.
if something screens something else, it is in front of it and hides it
screen something from something
A line of trees screened the house from the road.
to show a film or television programme:
The film is being screened around the country.
The match will be screened live on television.
to find out information about people in order to decide whether you can trust them:
test employees etc
Police are very careful when screening politicians' bodyguards.
Applicants are screened for security.
to check things to see whether they are acceptable or suitable:
You can use an answerphone to screen your phone calls before you answer them.
screen something ↔ offphrasal verb
The back part of the room had been screened off.
screen something ↔ outphrasal verb
to prevent something harmful from passing through:
Sun lotions screen out damaging ultraviolet light.
to remove people or things that are not acceptable or not suitable:
An answering service can screen out nuisance calls.