thwart, queer, spoil, scotch, foil, cross, frustrate, baffle, bilk -- (hinder or prevent (the efforts, plans, or desires) of; "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent")
torment, rag, bedevil, crucify, dun, frustrate -- (treat cruelly; "The children tormented the stuttering teacher")
(Sound)
