'Disgruntle' definitions:
Definition of 'disgruntle'
(from WordNet)
verb
Put into a bad mood or into bad humour; "The employees were disgruntled by their bad working conditions"
Definition of 'Disgruntle'
From: GCIDE
- Disgruntle \Dis*grun"tle\, v. t. To dissatisfy; to disaffect; to anger. [Colloq.] [1913 Webster]