(adj) pertaining to or resembling or befitting Faust or Faustus especially in insatiably striving for worldly knowledge and power even at the price of spiritual values
prop. adj. Pertainnig to or resembling or befitting Faust especially in insatiable striving for worldly knowledge and power even at the price of spiritual values; as, a Faustian pact with the devil.. [ WordNet 1.6 ]