…through the crowd, past the place where Professor Flitwick was making squeaky attempts to position a few Ravenclaws, all of whom wanted to be near the front, past Professor Sprout, who was chivvying the Hufflepuffs into line, until, by dodging around Ernie Macmillan, he managed to position himself right at the back of the crowd, directly behind Malfoy, who was taking advantage of the general upheaval to continue his argument with Crabbe, standing five feet away and looking mutinous.
There are no more uses of "upheaval" in the book.
Show samples from other sources
They’d caused such an upheaval in my life …. and I was so glad they did.
Kiera Cass -- The Heir
Stupid, she thought, so stupid of her to think he’d come only for her, that it hadn’t been part of something larger, that he hadn’t wanted more, more destruction, more terror, more upheaval.