Meaning of “screw” - Learner’s Dictionary


verb us uk /skruː/
screw sth down/to/onto, etc

to fasten something with a screw:

You need to screw the cabinet to the wall.
screw sth on/down/together, etc

to fasten something by turning it round until it is tight, or to be fastened this way:

The lid is screwed on so tight I can't get it off.
→ Opposite unscrew
screw up your eyes/face

to move the muscles of your face so that your eyes become narrow:

He screwed up his eyes in the bright sunlight.

(Definition of “screw verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)