Noun
Any one of the series of famous orations of Demosthenes, the Grecian orator, denouncing Philip, king of Macedon.
Hence: Any discourse or declamation abounding in acrimonious invective.
Source: Webster's dictionaryI have long wondered that the original draught has not been published. I suppose the reason is, the vehement philippic against negro slavery. John Adams
Also in 342 BC, he delivered the Third Philippic, which is considered to be the best of his political orations. Source: Internet
Demosthenes, Second Philippic, 19. Most of the Peloponnesians saw Philip as the guarantor of their freedom and sent a joint embassy to Athens to express their grievances against Demosthenes' activities. Source: Internet
First Philippic 28, cited by J. H. Vince, p. 84-5 note a. From this moment until 341 BC, all of Demosthenes' speeches referred to the same issue, the struggle against Philip. Source: Internet
Demosthenes, First Philippic, 10. He thus provided for the first time a plan and specific recommendations for the strategy to be adopted against Philip in the north. Source: Internet
Demosthenes, Third Philippic, 17. He also negotiated with the Athenians an amendment to the Peace of Philocrates. Source: Internet