Definitions
1.verbTo surrender (someone or something)"He was surrounded, so gave himself up."
2.verbTo stop or quit (an activity, etc.)"They gave up the search when it got dark."
3.verbTo relinquish (something)"He gave up his seat to an old man."
4.verbTo lose hope concerning (someone or something)"They gave him up for dead."
5.verbTo abandon (someone or something)"I gave up my faith years ago."
6.verbTo admit defeat, capitulate"OK, I give up, you win."
7.verbBecome fully took over by a certain quality, activity, trait, &c.