capsize

capsize
    v 1: overturn accidentally; "Don't rock the boat or it will
         capsize!" [syn: {capsize}, {turtle}, {turn turtle}]
    

Capsize \Cap*size"\, v. t. & i. [imp. & p. p. {Capsized}; p. pr.
   & vb. n. {Capsizing}.] [Cf. Sp. cabecear to nod, pitch,
   capuzar, chapuzar, to sink (a vessel) by the head; both fr.
   L. caput head.]
   To upset or overturn, as a vessel or other body.
   [1913 Webster]

         But what if carrying sail capsize the boat? --Byron.
   [1913 Webster]
    

Capsize \Cap"size`\, n.
   An upset or overturn.
   [1913 Webster]
    

55 Moby Thesaurus words for "capsize":
      be lost, careen, come a cropper, culbuter, fall, fall down,
      fall flat, fall headlong, fall over, fall prostrate, flounder,
      founder, get a cropper, go down, invert, keel, keel over, list,
      lurch, overset, overthrow, overturn, pitch, pitchpole, scuttle,
      sink, somersault, sprawl, spread-eagle, stagger, stumble, subvert,
      take a fall, take a flop, take a header, take a pratfall,
      take a spill, tilt, tip over, topple, topple down, topple over,
      topsy-turvify, topsy-turvy, totter, trip, tumble,
      turn a somersault, turn over, turn topsy-turvy, turn turtle,
      turn upside down, upset, upset the boat, upturn