flummoxing From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsverbTo confuse; to fluster; to flabbergast. Related wordsSynonymsperplexnonplusbaffledumbfoundbewildermystifystupifystupefyamazepuzzletrouncebeatgetgravelflusteringflabbergasting References Wiktionary — flummoxing Wikipedia — flummoxing