Search Result for "disturbingly": 
Wordnet 3.0

ADVERB (1)

1. in a disturbing manner;
- Example: "the details of the kidnaper's letter had sounded disturbingly convincing"



WordNet (r) 3.0 (2006):

disturbingly
    adv 1: in a disturbing manner; "the details of the kidnaper's
           letter had sounded disturbingly convincing"