Meaning

1. to renounce
2. to quit, to resign
3. to give up, to surrender (quit attempting at something or stop maintaining an idea or claim)
4. to waive, to relinquish, to forego, to forgo, to forfeit, to forswear (+ a)
5. to give up on (+ a)
6. to refuse (+ a)
7. to abandon, to forsake (e.g. an idea or belief, a goal, a command or order, a system or method, weapons)
8. to step down, to abdicate