/fow"stee euhn/ , adj.
1. of, pertaining to, or characteristic of Faust: a Faustian novel.
2. sacrificing spiritual values for power, knowledge, or material gain: a Faustian pact with the Devil.
3. characterized by spiritual dissatisfaction or torment.
4. possessed with a hunger for knowledge or mastery.
[ 1875-80; FAUST + -IAN ]