Definition of "gnaws" []

• Third-person singular simple present indicative form of gnaw. (verb)

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• "A name gnaws at him, and you can guess what it is, Mahound Mahound Mahound."
• "I still support Barack, but the feeling doesn't go away - it just kind of gnaws at me."
• "Stanley Knox, Detroit's new police chief, said the murder "kind of gnaws on your nerves," and he swore to keep up the heat."