caustic remark

Noun caustic remark has 1 sense

• caustic remark(n = noun.communication) irony, sarcasm, satire - witty language used to convey insults or scorn; "he used sarcasm to upset his opponent"; "irony is wasted on the stupid"; "Satire is a sort of glass, wherein beholders do generally discover everybody's face but their own"
is a kind of humor, humour, wit, witticism, wittiness