[See PROOF a. 1 b.] A. adj. Impervious to water; capable of resisting the deleterious action of water.

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1736.  Gentl. Mag., VI. 732/1. The everlasting Mountains would be Water-Proof.

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1802.  W. Jessop, in Minutes Comm. Surrey Iron Rlwy., 7 Oct. Quarries of Limestone at Merstham, apparently superior in Quality for Water-Proof Lime to either that of Guildford or Dorking.

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1815.  J. Smith, Panorama Sci. & Art, II. 823. To render Boots and Shoes waterproof.

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1816.  Sporting Mag., XLVIII. 192. Joseph Egg’s Water Proof Gun.

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1836.  W. Irving, Astoria (1849), 337. These hats were nearly waterproof, and extremely durable.

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1871.  Mrs. Brookfield, Influence, II. 30. The Miss Shaws, in neat waterproof travelling suits.

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1877.  Huxley, Physiogr., 29. Not a drop of water can reach it as long as the waterproof roof remain sound.

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1920.  Conquest, May, 311/3. Nowadays the cry is for waterproof roads.

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  b.  transf. and fig.

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1831.  Trelawny, Adv. Younger Son, III. 330. It … didn’t make a man’s inside water-proof, which good Nantz would.

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1838.  Dickens, O. Twist, xxxvii. But tears were not the things to find their way to Mr. Bumble’s soul; his heart was water-proof.

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1854.  Surtees, Handley Cr., li. (1901), II. 92. Twice Dribbleford Brook comes in the way for those whose ambition is waterproof.

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  B.  sb. A fabric or garment rendered impervious to water by treatment with india-rubber or the like.

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1799.  Hull Advertiser, 12 Jan., 2/3. Parish’s patent water-proof, best superfine.

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1875.  Bedford, Sailor’s Pocket Bk., vii. (ed. 2), 245. Officers … carry clasp-knife,… waterproof, haversack.

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1877.  Mar. M. Grant, Sun-maid, i. They were clad in grey waterproof.

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1880.  Howells, Undiscov. Country, x. 139. The teacher took off her waterproof, the hood of which she had drawn over her head.

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