From Longman Dictionary of Contemporary Englishcapsizecap‧size /kæpˈsaɪz $ ˈkæpsaɪz/ verb [intransitive, transitive] TURNif a boat capsizes, or if you capsize it, it turns over in the water→ See Verb table
Examples from the Corpus
capsize• The giant fund-raising event took place on Saturday but the choppy waters caused some competitors to capsize.• There, in theory, it would be safe and the weight would help stabilise the raft and prevent a capsize.• People were fighting for places in the lifeboat, and there was a real danger of it capsizing.• The fragile canoe did not capsize!• One day Prospero commanded a spirit to raise a terrible storm to capsize a passing ship.• And, of course, if the capsize happened in the wide ocean, then the crew was in real trouble.• The ship capsized in rough waters with the loss of 208 lives.• A huge wave struck the side of our boat, almost capsizing it.• He might as well capsize the dinghy and be done with it.• And we had to keep our water supply low down, or the risk of capsize would be unacceptable.• And when - inevitably - you do capsize, you soon learn how to not make the same mistakes again.Origin capsize (1700-1800) Perhaps from Spanish capuzar “to sink a ship front-end first”, from cabo “head” + chapuzar “to dive” 