spoil 5verbdomain: v societyPrinceton WordNet [ver.3.1]EnglishDefinitionhinder or prevent (the efforts, plans, or desires) ofReport errorPath to highest hypernymMorphologySynset graphExamples1.foil your opponent2.What ultimately frustrated every challenger was Ruth's amazing September surgeSynonymsthwart 1queer 1scotch 1foil 2cross 3frustrate 1baffle 2bilk 2