Tartarean

from WordNet (r) 3.0 (2006)

Tartarean
    adj 1: of or relating to or characteristic of Hades or Tartarus
           [syn: {Hadean}, {Plutonian}, {Tartarean}]

from The Collaborative International Dictionary of English v.0.48

Tartarean \Tar*ta"re*an\, Tartareous \Tar*ta"re*ous\, a. [L.
   tartareus: cf. F. tartar['e]en.]
   Of or pertaining to Tartarus; hellish.
   [1913 Webster]