water-repellantn.adj.

1815 Times 3 Mar. 4/2 (advt.) The Advertiser begs to offer to the Public a certain remedy [for wet feet], by the use of the water repellant, which, with two applications, will render the soles and upper leathers of boots and shoes completely water-proof and elastic.

1911 M. H. Lewis Pop. Hand Bk. for Cement & Concrete Users xxx. 367 Cement grout, with or without the addition of water repellants.

1992 Canad. Gardening June 50/1 (advt.) Wolmanized wood that resists rot and termite attack plus it contains a water repellant that's ‘built-in’.

2002 M. J. Crosbie Home Rehab Handbk. ii. 138 Stains typically contain fungicides, water repellants, UV blockers, and other additives.

1825 Aurora & Franklin Gaz. 22 Sept. (advt.) Black and drab milled saxony cassimeres and drab water repellant kerseys.

1938 Times 21 Feb. 11/1 A water-repellant finish is demonstrated at the stand of the Bleachers' Association.

1997 M&S Mag. Spring 56/2 These pure wool windowpane check trousers have a Teflon finish to make them stain resistant and water repellant. Pleats and turn-ups are pure Fred Astaire style.