Search Result for "disgruntle": 
Wordnet 3.0

VERB (1)

1. put into a bad mood or into bad humour;
- Example: "The employees were disgruntled by their bad working conditions"



The Collaborative International Dictionary of English v.0.48:

Disgruntle \Dis*grun"tle\, v. t.
   To dissatisfy; to disaffect; to anger. [Colloq.]
   [1913 Webster]


WordNet (r) 3.0 (2006):

disgruntle
    v 1: put into a bad mood or into bad humour; "The employees were
         disgruntled by their bad working conditions"