'Immovably' definitions:

Definition of 'immovably'

(from WordNet)
adverb
So as to be incapable of moving; "the mountains brooded immovably above the river"

Definition of 'Immovably'

From: GCIDE
  • Immovably \Im*mov"a*bly\, adv. In an immovable manner. [1913 Webster]