[UN-2 3, or f. UNTIDY a.] trans. To make untidy.

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1891.  R. Dowling, Isle of Surrey, 112. He was busy tidying, or rather untidying, his room all one day.

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1893.  Baring-Gould, Cheap Jack Zita, I. 192. The wildness of her appearance thus untidied by the wind made her more than ever charming.

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