Search Result for "vacillator": 
Wordnet 3.0

NOUN (1)

1. one who hesitates (usually out of fear);
[syn: waverer, vacillator, hesitator, hesitater]



WordNet (r) 3.0 (2006):

vacillator
    n 1: one who hesitates (usually out of fear) [syn: waverer,
         vacillator, hesitator, hesitater]