denounce

[1]	accuse , brand , stigmatize , charge , blame , incriminate , implicate , complain about
[2]	betray , inform against , stigmatise , report , reveal , mark
[3]	criticize , condemn , decry , denunciate , attack , assail , censure , impugn , declaim/rail (against) , vituperate , revile , vilify , inveigh against , ridicule , (hold up to) shame , pillory , (heap) scorn (upon) , cast a slur on
[4]	tell on , give away , rat , grass , shit , shop , snitch , stag