"Confound it, sir," he would say with tears in his voice, laying a hand on the man's shoulder in an elder brotherly way, "it's a trifle hard when a gentleman comes to settle here, that you should dun him for things before he has settled the preliminary expenses about his house."
P. G. Wodehouse. Love Among the Chickens A Story of the Haps and Mishaps on an English Chicken Farm (1909)
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she never dunned me and was as generous with her servings of food during mealtime as ever.
Ralph Ellison. The Invisible Man (1952)
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No one here was going to dun him about old lady Semple’s pension check.
Stephen King. The Stand (1990)
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he had lately procured himself a large, fine, mettlesome, Donets horse, dun-colored, with light mane and tail, and when he rode it no one could outgallop him.
Leo Tolstoy. War and Peace: With bonus material from Give War and Peace A Chance by Andrew D. Kaufman . Simon & Schuster
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the wood, dun and sere, divided by a path visibly overgrown, greener with moss than the trees were with foliage;
Charlotte Brontë. Jane Eyre (1847)
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a man a few years older than she, small in stature, sparrow-like with a narrow face and thin, dun-colored hair.
Jonathan Harr. The Lost Painting, p.101 (2006)
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The priest blessed the rocks of the dun and sprinkled them with holy water. Suddenly the night grew darker and there was a loud noise as of thunder.
Diana Gabaldon. Outlander (1991)
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The scenes depicted on the emunctory field, showing our ancient duns and raths and cromlechs and grianauns and seats of learning and maledictive stones,