give up (something)
— phrasal verb with give us/ɡɪv/verb present participle giving, past tense gave, past participle given
to stop doing or to stop having something:
He gave up jogging after his heart attack.
To give up also means to lose or be defeated:
Although behind in the chess match, he refused to give up.
“Can you guess what actor I’m pretending to be?” “No, I give up (= I can’t guess).”