irritable

Synonyms: annoyed bearish brooding cantankerous carping choleric complaining contentious crabbed cross crotchety disputatious dissatisfied dyspeptic easily offended exasperated fiery fractious fretful fretting gloomy grouchy grumbling hasty hot huffy hypercritical ill-humored irascible moody morose out of humor oversensitive peevish petulant plaintive prickly querulous quick-tempered resentful sensitive snappy snarling surly tense testy touchy

Antonyms: cheerful happy nice