The Oxford Thesaurus An A-Z Dictionary of Synonyms - haranguen.

1) diatribe, tirade, oration, peroration, declamation, philippic, screed, exhortation, vituperation, rodomontade, speech, address, Colloq spiel: This morning he delivered a ten-minute harangue on the weakness of the coffee. --v. 2) declaim, hold forth, preach, lecture, sermonize, pontificate, vituperate, rant and rave: Our neighbour is always haranguing her husband about trimming the hedges.