The Prime Minister gazed hopelessly at the pair of them for a moment, then the words he had fought to suppress all evening burst from him at last.
Harry could not suppress a suspicion that Dumbledore was rather enjoying himself.
He was waiting for a call from the President of a far distant country, and between wondering when the wretched man would telephone, and trying to suppress unpleasant memories of what had been a very long, tiring, and difficult week, there was not much space in his head for anything else.
He suddenly remembered Dumbledore’s idea of a few words: ’nitwit’, ’oddment’, ’blubber’ and ’tweak 1, and again, had to suppress a grin … what was the matter with him?
He had been thwarted, both in his attempts to find out what Malfoy was doing, and in his efforts to start a conversation with Slughorn that might lead, somehow, to Slughorn hand-ing over the memory he had apparently suppressed for decades.
…" There was a note of badly suppressed glee in Rons voice; Harry could tell he was nothing short of thrilled that McLaggen had messed up so badly.
Then, as though he could not suppress the question, as though it burst from him in spite of himself, he asked, "Was my father a wizard?
There are no more uses of "suppress" in the book.
Show samples from other sources
The dictator suppressed criticism in the press.
She struggled to suppress a smile as the little boy told of his fear of a monster under the bed.