Peeves had finally got bored of his "Oh, Potter, you rotter" song, Ernie Macmillan asked Harry quite politely to pass a bucket of leaping toadstools in Herbology one day, and in March several of the Mandrakes threw a loud and raucous party in greenhouse three.
There are no more uses of "raucous" in the book.
Show samples from other sources
She stopped the car in Dr. Finch’s driveway, climbed the high front steps to his house, knocked on the door, and went in, singing in a raucous voice: "Old Uncle Jack with his cane and his crutch When he was young he boogie-woogied too much; Put the sales tax on it—"
Harper Lee -- Go Set a Watchman
We reach the mess hall, and the cacophony within hits us like a wave—laughter and boasts and the raucous talk of three thousand young men on the verge of leave or graduation.