Definitions

1. adjective

relating to or characteristic of Catiline, a Roman politician, or his speech against the consuls in 63 bc

“The senator’s speech was deemed catilinarian by his opponents, implying he was stirring up rebellion.”

2. noun

a speech or speech act, especially one that is inflammatory or incendiary

“The politician’s catilinarian oration at the rally set off a chain reaction of protests across the city.”