To fasten or tighten something using a screw or by turning a screw-like motion. verb
He used a screwdriver to screw the shelf to the wall.
Make sure to screw the lid on tightly to prevent leaks.
To contort or twist something into a different shape or position. verb
She screwed her face up in disgust at the smell.
He screwed the cap back on the bottle after taking a sip.
To cheat, deceive, or take advantage of someone. verb
I can't believe they screwed us over with that deal.
He felt like he was screwed out of his rightful inheritance.
To ruin or mess up something. verb
I really screwed up my presentation by forgetting my notes.
If you don't follow the instructions, you might screw the whole project.
To engage in sexual intercourse with someone. (informal and potentially vulgar) verb
They were caught screwing in the backseat of the car.
He bragged about screwing his girlfriend last night.