Search Result for "quaveringly": 
Wordnet 3.0

ADVERB (1)

1. in an unsteady quavering manner;
- Example: "the man began quaveringly to question the soldier"



WordNet (r) 3.0 (2006):

quaveringly
    adv 1: in an unsteady quavering manner; "the man began
           quaveringly to question the soldier"