2rogue adjective
always used before a noun — used to describe something or someone that is different from others in usually a dangerous or harmful way ▪ A rogue wave flipped the boat over. ▪ rogue police officers [=dishonest police officers who commit crimes] ▪ rogue states/regimes [=dangerous states/regimes that do not obey international laws] ▪ a rogue elephant [=a dangerous elephant that lives apart from other elephants]
