Moody

angry irritable ill-tempered cross testy huffy sullen sulky glum morose sad miserable gloomy offended petulant touchy short-tempered irascible dour temperamental cantankerous out of sorts ill-humored frowning piqued downcast down in the mouth dismal in the doldrums lugubrious melancholy pensive saturnine splenetic moping doleful down in the dumps capricious fickle changeable flighty mercurial erratic impulsive fitful introspective crabbed in a huff crestfallen