Search Result for "aggravator": 
Wordnet 3.0

NOUN (1)

1. an unpleasant person who is annoying or exasperating;
[syn: aggravator, annoyance]



WordNet (r) 3.0 (2006):

aggravator
    n 1: an unpleasant person who is annoying or exasperating [syn:
         aggravator, annoyance]