Disgruntle

[dɪs'ɡrʌntl] or [dɪs'grʌntl]

(verb.) put into a bad mood or into bad humour; 'The employees were disgruntled by their bad working conditions'.

Inputed by Ethel--From WordNet

(v. t.) To dissatisfy; to disaffect; to anger.

Typed by Edmund

v.t. (prov.) to disappoint disgust.—adj. Disgrun′tled rendered sulky.

Editor: Oswald

Typed by Denis