adj. impatient, excitable, testy, touchy, quarrelsome, grouchy, fretful, peevish, cross, crabby, crusty, short-tempered, petulant, prickly, irascible, moody, temperamental, gruff, cantankerous, curmudgeonly, dyspeptic, bad-tempered, ill-tempered, ill-humoured, snappy or snappish, grumpy or Brit also grumpish, Colloq crotchety, US and Canadian and Irish cranky: Why are you always so irritable before breakfast?
IRRITABLE
Meaning of IRRITABLE in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012