Simple past tense and past participle of chaff.(verb)
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Use "chaffed" in a sentence
"But, although they "chaffed" them, the kind people helped them none the less good-naturedly in completing their equipment, the old captain's"
"Deleah gone, Franky gone, it was very snug there, especially when the winter evenings came on, and the poor widow stayed late in her shop while he and Bessie sat and "chaffed," as he called it, alone."
"When the runners "chaffed" him, nevertheless, it was in a mild way, and with manifest respect for his muscle, -- a sentiment in no way diminished when he suddenly clutched one of the least cautious among them by the nape of the neck, and held him out at arm's-length, for some seconds, over the drowny water that kept lazily licking at the green moss on the old stakes of the rickety pier."