complete or total (used as an intensifier--typically when stressing how bad something is)
Harry was watching his aunt, utterly bewildered, his head throbbing fit to burst.
’I… yeah…’ Harry felt utterly bewildered.
I know you did, Potter, which means that this mess is utterly worthless.
Utterly nonplussed, he looked around at the others, who were now laughing at the expression on Ron’s face and at the ludicrously prolonged laughter of Luna Lovegood, who was rocking backwards and forwards, clutching her sides.
Ron looked utterly perplexed.
Harry stared at her, utterly bewildered, as she seized a frilly napkin and dabbed at her shining face with it.
Harry had not seen him this close-up since his return to the school; he looked utterly woebegone.
She looked utterly terrified.
Professor Trelawney was standing in the middle of the Entrance Hall with her wand in one hand and an empty sherry bottle in the other, looking utterly mad.
His appearance was utterly bizarre, his tiny baby’s head bawling loudly while his thick arms flailed dangerously in all directions, narrowly missing Harry, who had ducked.
There are no more uses of "utter" identified with this meaning, but check unspecified meaning below.
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She suffered utter devastation when her child died in the accident.
Uncle Vernon and Aunt Petunia exchanged looks of utter horror.
Aunt Petunia uttered a soft scream.
Maybe… Lord VoldemortT Ron gasped; Lavender Brown uttered a little scream; Neville slipped sideways off his stool.
There was something about the slightly flattened tone of voice in which Sirius uttered Dumbledore’s name that told Harry that Sirius, too, was not very happy with the Headmaster.
Only those skilled at Occlumency are able to shut down those feelings and memories that contradict the lie, and so can utter falsehoods in his presence without detection.
He guessed that it would confirm a lot of people in the view that he was completely insane, not least because his story would be appearing alongside utter rubbish about Crumple-Horned Snorkacks.
They backed slowly into the centre of the clearing, Umbridge uttering odd little whimpers of terror.
Nothing on you, of course,’ she said, throwing him a very dirty look, ’but as we can’t have you…’ Harry bit back the retort he was longing to utter: did she imagine for a second that he did not regret his expulsion from the team a hundred times more than she did?
And then — to Harry’s utter amazement —Marietta shook her head.
Since she had returned to the castle she had not, as far as any of them knew, uttered a single word.
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He turned his wand backwards towards the man’s side, but had no breath to utter an incantation, and the man’s free hand was groping towards the hand in which Harry was grasping the prophecy — ’AARGH!’
Undeterred, she took advantage of their silence to maintain an uninterrupted flow of dire warnings, all uttered under her breath in a vehement hiss that caused Seamus to waste five whole minutes checking his cauldron for leaks.
But before he could utter a single curse or insult, Harry felt a great pain at the top of his head; he inhaled a lot of ash and, choking, found himself being dragged backwards through the flames, until with a horrible abruptness he was staring up into the wide, pallid face of Professor Umbridge who had dragged him backwards out of the fire by the hair and was now bending his neck back as far as it would go, as though she were going to slit his throat.