thwart (verb) thwart: stop, hinder
Sinonime: baffle, balk,
beat, bilk,
check,
circumvent,
confuse,
counter, crab, cramp, crimp,
cross,
curb,
dash,
defeat,
disappoint,
ditch,
dodge, double-cross,
duck,
foil, foul up,
frustrate, give the slip, hold up,
impede, louse up,
match,
obstruct,
oppose, outwit,
pit, play off,
prevent,
queer*,
restrain,
ruin, scotch,
skin, snafu,
stymie, take down, take wind out of, trammel,
upset, upset one's apple cart
Antonime: aid,
assist,
encourage,
forward,
help