- thwart: hinder or prevent (the efforts, plans, or desires) of; "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent"
- torment: treat cruelly; "The children tormented the stuttering teacher"
- To disappoint or defeat; To hinder; To cause stress or panic; vain; ineffectual; useless; nugatory
- frustrar; desbaratar; burlar; hacer fracasar