Harry couldn’t suppress the suspicion that the whole thing was entirely pointless, because the skrewts didn’t seem to have mouths.
Frank was nearing his seventy-seventh birthday now, very deaf, his bad leg stiffer than ever, but could be seen pottering around the flower beds in fine weather, even though the weeds were starting to creep up on him, try as he might to suppress them.
Magnificent though the bathroom was — and quite keen though he was to try out a few of those taps — now he was here he couldn’t quite suppress the feeling that Cedric might have been having him on.
"No, it’s okay, Mr. Bagman," said Harry, suppressing a smile, "I think I can find the castle on my own, thanks."
"Scarlet woman?" she repeated, shaking with suppressed giggles as she looked around at Ron.
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.