PHILIPPIC
tirade, philippic, broadside
(noun) a speech of violent denunciation
Source: WordNet® 3.1
Etymology
Noun
philippic (plural philippics)
Any of the discourses of Demosthenes against Philip II of Macedon, defending the liberty of Athens.
(by extension) Any tirade or declamation full of bitter condemnation.
Synonym: Thesaurus:diatribe
Source: Wiktionary
Phi*lip"pic, n. Etym: [L. Philippicus belonging to Philip, Philippic,
Gr. philippique.]
1. Any one of the series of famous orations of Demosthenes, the
Grecian orator, denouncing Philip, king of Macedon.
2. Hence: Any discourse or declamation abounding in acrimonious
invective.
Source: Webster’s Unabridged Dictionary 1913 Edition