immane

from The Collaborative International Dictionary of English v.0.48

Immane \Im*mane"\, a. [L. immanis.]
   Very great; huge; vast; also, monstrous in character;
   inhuman; atrocious; fierce. [Obs.] "So immane a man."
   --Chapman. -- {Im*mane"ly}, adv. [Obs.] Immanence