To abandon (someone or something)
To admit defeat, capitulate
Become fully taken over by a certain quality, activity, trait, &c.
To relinquish (something)
To execute a trade on behalf of another broker.
To stop or quit (an activity, etc.)
To surrender (someone or something)
To lose hope concerning (someone or something)
To abandon someone who is in need or in danger, especially a colleague or one dependent.
Used other than figuratively or idiomatically: see hang, out, dry.