denounce

denounce (http://definr.com/denounce)

     v 1: speak out against; "He denounced the Nazis"
     2: to accuse or condemn openly or formally: "He denounced the
        government action." [syn: stigmatize, brand, mark]
     3: announce the termination of, as of treaties
     4: give away information about somebody; "He told on his
        classmate who had cheated on the exam" [syn: tell on, betray,
         give away, rat, grass, peach, shit, shop, snitch,
         stag]