To stop or quit (an activity, etc.)
To admit defeat, capitulate
Become fully taken over by a certain quality, activity, trait, &c.
To abandon (someone or something)
To relinquish (something)
To execute a trade on behalf of another broker.
To surrender (someone or something)
To lose hope concerning (someone or something)
To persist or continue.
To cause or allow to remain in the on or open position.
To cause or allow to remain in an existing position.
To persist in talking about a subject to the annoyance of the listener.