diatribe Meaning, Definition & Usage

  1. noun thunderous verbal attack
    fulmination.

WordNet

Di"a*tribe noun
Etymology
L. diatriba a learned discussion, Gr. , prop., a wearing away of time, fr. to rub away, spend time; through + to rub: cf. L. terere, F. trite: cf. F. diatribe.
Definitions
  1. A prolonged or exhaustive discussion; especially, an acrimonious or invective harangue; a strain of abusive or railing language; a philippic.
    The ephemeral diatribe of a faction. John Morley.

Webster 1913