bulletproof 1adjectivedomain: all adjPrinceton WordNet [ver.3.1]EnglishDefinitionwithout flaws or loopholesReport errorPath to highest hypernymMorphologySynset graphExamples1.an ironclad contract2.a bulletproof argument3.a watertight alibiSynonymsunassailable 3unshakable 2watertight 2