thwart
n : a crosspiece spreading the gunnels of a boat; used as a seat
in a rowboat [syn: {cross thwart}]
v 1: to hinder or prevent (the efforts, plans, or desires) of:
"What ultimately frustrated every challenger was Ruth's
amazing September surge." [syn: {queer}, {spoil}, {scotch},
{foil}, {cross}, {frustrate}, {baffle}, {bilk}]
2: hinder or prevent (the efforts, plans, or desires) of;
thwart [syn: {frustrate}, {spoil}]