·adj Very great; huge; vast; also, monstrous in character; inhuman; atrocious; fierce.
immāne, adv., v. immanis fin. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
immāne (inm-) adv. immanis, frightfully, fiercely, savagely : leo hians, V.: sonat fluc...
An Elementary Latin Dictionary