acerb acerbate acerbic acid acidic acidulent acidulous acrimonious ambivert angry bilious bitter burning captious carping caustic cranky cycloid cyclothyme cyclothymic dyspeptic ectomorph embittered endomorph extrovert faultfinding fiery heated hot-tempered indignant introvert irate ireful jaundiced mad melancholic mesomorph phlegmatic quick-tempered rancorous rankled ratty resentful resenting sanguine schizoid schizothyme sore sour sour-tempered soured splenetic spunky stewing syntone testy tetchy touchy vinegarish virulent waxy wrathful wrathy wroth