adj. and adv. (colloquial and expletive).—1.  Entirely; altogether; e.g., CLEAN GONE, CLEAN BROKE, etc. Employed by the best writers until a recent date, and scarce colloquial even now.

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  1888.  W. E. HENLEY, A Book of Verses, ‘Ballade of a Toyokuni Colour-Print.’

                        Child, although
  I have forgotten CLEAN, I know
That in the shade of Fujisan,
  What time the cherry orchards blow,
I loved you, once, in old Japan.

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  1890.  MARK RUTHERFORD (‘Reuben Shapcott’), Miriam’s Schooling, p. 11. The memory of the battle by the hill Moreh is CLEAN forgotten.

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  2.  Expert; smart.

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  1878.  CHARLES HINDLEY, The Life and Times of James Catnach. ‘The Song of The Young Prig.’

        The CLEANEST angler on the pad,
  In daylight or the darky.

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