up
1.
to go somewhere in your car and collect sb who is waiting for you
SYN collect :
I'll pick you up at five.
2.
to allow sb to get into your vehicle and take them somewhere :
The bus picks up passengers outside the airport.
3.
to rescue sb from the sea or from a dangerous place, especially one that is difficult to reach :
A lifeboat picked up survivors.
4.
( informal , often disapproving ) to start talking to sb you do not know because you want to have a sexual relationship with them :
He goes to clubs to pick up girls.
—related noun pickup
5.
( informal ) ( of the police ) to arrest sb :
He was picked up by police and taken to the station for questioning.
6.
to make sb feel better :
Try this—it will pick you up.
—related noun pick-me-up