"Rant" and "Ranting" redirect here. For other uses, see Rant (disambiguation). For the stitching technique, see Rantering.
A street protester delivers a harangue in front of the National Assembly in Paris, France, in 2006.
A diatribe (from the Greek διατριβή), also known less formally as rant, is a lengthy oration, though often reduced to writing, made in criticism of someone or something, often employing humor, sarcasm, and appeals to emotion.