To sign back; to return by a formal act; to yield to another; to surrender; -- said especially of office or emolument. Hence, to give up; to yield; to submit; -- said of the wishes or will, or of something valued; -- also often used reflexively.
I have never been a quitter. To leave office before my term is completed is opposed to every instinct in my body. But as president I must put the interests of America first Therefore, I shall resign the presidency effective at noon tomorrow. Richard M. Nixon
I think that if there are positions that you can't argue... then the responsibility is probably to resign. If one's own conscience is opposed to the requirements and responsibilities of the job, then it's time to leave the job. Elena Kagan
If you belonged to a political party or a social club that was tied to as much bigotry, misogyny, homophobia, violence, and sheer ignorance as religion is, you'd resign in protest. Bill Maher
If your man is a sports enthusiast, you may have to resign yourself to his spouting off in a monotone on a prize fight, football game or pennant race. Marilyn Monroe
I'm sure that was the right step, even though, formally speaking, it may seem disadvantageous for a president to resign. But, looking into what is happening today and what is going to happen in the future, I think history will show I made the right decision. Eduard Shevardnadze