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