noun
a painful, pus-filled bump on the skin caused by an infected hair follicle
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The patient was diagnosed with a furuncle on his back and was prescribed antibiotics.
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I heard that Sarah had to go to the doctor to get her furuncle treated.
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Ugh, I have a gross furuncle on my arm and it hurts so bad.
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The corruption in the government was like a festering furuncle that needed to be lanced and drained.