1. in an alarming manner; - Example: "the disturbing thing about the Minister's behavior is that far from being artificial, it too often rings frighteningly true" [syn: frighteningly, scarily]
WordNet (r) 3.0 (2006):
frighteningly
adv 1: in an alarming manner; "the disturbing thing about the
Minister's behavior is that far from being artificial, it
too often rings frighteningly true" [syn:
frighteningly, scarily]