A state or nation acting outside of the accepted national or international norms and policies
(Politika Siyaset) A state that does not respect other states in its international actions, renegade state, rogue nation
When politicians or journalists talk about a rogue state, they mean a country that they regard as a threat to their own country's security, for example because it supports terrorism. "Possible missile attacks from rogue states and terrorists."
a Third World state that possesses weapons of mass destruction and sponsors terrorism