gnawing

Deep in his heart was a gnawing of envy—not for himself, but for his work.

They've been drifted away into one of the deepest holes there is, and the rats have been gnawing at 'em.

He was looking down, and gnawing at that tremulous upper lip.

It put a name to that gnawing, indefinite feeling she had been too intent to own.

Then came remembrance, and it was far worse than the fangs of pain that were gnawing him.

Some fearful secret must be gnawing at the big man's vitals.

Nothing but this and the cheep-cheep of a mouse that was gnawing the wood somewhere in the floor.

At sight of life in Philip's face, his gnawing misery returned.

“The highest,” said the Doctor, whose dyspepsia was gnawing him just then with fine energy.

For an hour Tressan remained where he was, deep in thought and gnawing at his beard.