Found 2 items, similar to forbiddingly.
English → English (WordNet) Definition: forbiddingly forbiddingly adv : in an unpleasant or menacing manner; “it was forbiddingly dark in the corridor”
English → English (gcide) Definition: Forbiddingly Forbidding \For*bid"ding\, a. Repelling approach; repulsive; raising abhorrence, aversion, or dislike; disagreeable; prohibiting or interdicting; as, a forbidding aspect; a forbidding formality; a forbidding air. Syn: Disagreeable; unpleasant; displeasing; offensive; repulsive; odious; abhorrent. -- For*bid"ding*ly, adv. -- For*bid"ding*ness, n. [1913 Webster]