n. 1 toxin, venom, bane; miasma, mephitis The chemical plant was found to be releasing poisons into the atmosphere He kills rats using poison. 2 virus, bane, cancer, canker, corrupt or evil influence, pestilence, plague, blight The drug barons continue to spread their poison throughout the world
v. 3 defile, adulterate, infect, taint, pollute; contaminate, debase, pervert, vitiate, subvert, warp, envenom Chemicals from the nearby plant have poisoned the drinking-water Why have you poisoned the child's mind against eating spinach? 4 murder, kill, do away with, destroy, dispatch or despatch Lucrezia Borgia poisoned her enemies in ingenious ways