If is illegal or doesn't concur with the legislative restrictions of the constitution.
Every dictator was unelected. Stalin, Mao
He was never unelected he was assassinated by John Wilkes Booth, while in office in 1856
Gerald Ford
bureaucracy
bureaucracy
Gordon Brown
He didn't get unelected. He became the German leader in 1933 and removed Germany's democracy and replaced it with a fascist government making him a dictator. He left power when he committed suicide in 1945 when the Russians started invading Berlin
Because judges tend to be unelected (except at local/state levels), when they decide on controversial issues, it can be seen as circumventing the democratic process. Some people would rather have an issue be on a ballot initiative than in the hands of a tenured judge.
As the pharaoh is unelected the head of the pentagon or the CEO of a mega corporation.
Their word was oligarchy. It meant that the upper class acted as an unelected government.
The main criticism that many people have of the UK's democratic system is the monarchy. As a monarchy is unelected, some claim that the UK can never become truly democratic, as the Head of State will never be elected. This is extended to the House of Lords; the Upper Chamber of parliament is also unelected.