Found 2 items, similar to disgruntle.
English → English (WordNet) Definition: disgruntle disgruntle v : put into a bad mood or into bad humour; “The employees were disgruntled by their bad working conditions”
English → English (gcide) Definition: Disgruntle Disgruntle \Dis*grun"tle\, v. t. To dissatisfy; to disaffect; to anger. [Colloq.] [1913 Webster]