a. (UN-1 7 b.)
1878. Kemp, Yacht & Boat Sailing, 36. So far as most English yachts of the deep V type are concerned, it may be said that they are absolutely uncapsizable.
1883. Fisheries Exhib. Catal., 48. Life Boat Buoy, uncapsizable, carries provisions and water; also signal lights.
1893. Harper’s Mag., Aug., 442/2. The rule … produced a boat that was … uncapsizable.
