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