see off

US /siː ˈɔːf/
UK /siː ˈɔːf/
"see off" picture
1.

to say goodbye to someone who is leaving, for example at an airport or station

:
We went to the airport to see them off.
My parents came to see me off at the train station.
2.

to defeat an opponent in a competition

:
The team managed to see off their rivals in the final match.
They will need to see off strong competition to win the championship.