It looked as though Uncle Vernon was bursting with any number of unpleasant retorts, but he merely shrank back into the cushions with Aunt Petunia and Dudley and said nothing, keeping his small piggy eyes on Dumbledore’s wand.
"That’s enough!" said Professor McGonagall, as Hermione opened her mouth to retort, looking furious.
"What a snappy retort," said Fred.
Harry bit back his retort, scared that he had gone too far, that he had ruined his chance of accompanying Dumbledore, but Dumbledore went on, ’Do you wish to come with me tonight?’
…" The portrait swung closed behind Harry, but not before he had heard Dean make an angry retort…… His feeling of elation in-creasing, Harry strode off through the castle.
There are no more uses of "retort" in the book.
Show samples from other sources
She wanted to retort that he that he sounded more foolish than he looked, but she made herself count to ten and thought better of it.