resignation
act of giving up or quitting an office or position
George Washington's resignation as commander-in-chief
George Washington resigns as commander-in-chief of the Continental Army on December 23, 1783
constructive dismissal
when an employee resigns as a result of the employer creating an intolerable work environment for that employee
papal renunciation
resignation of the pope of the Roman Catholic Church
Five Constituencies Resignations
2010 Hong Kong incident
resignation from the British House of Commons
mechanism by which a British MP may resign, requiring the use of a legal fiction