"Arthur’s done a bit o’ tinkerin’," said Hagrid, quite oblivious to Harry’s discomfort.
At least thirty hooded figures, suspended in midair, formed a vast circle in the middle of which the Order members had risen, oblivious — Screams, a blaze of green light on every side: Hagrid gave a yell and the motorbike rolled over.
There are no more uses of "oblivious" in the book.
Show samples from other sources
She is oblivious to the dangers.
She’s a happy girl—oblivious to most of the unhappiness around her.