Bitter

Bitter Bit•ter

angry, hurt, or resentful because of one's bad experiences or a sense of unjust treatment.
"I don't feel jealous or bitter"
synonyms: resentful, embittered, aggrieved, begrudging, rancorous, spiteful, jaundiced, ill-disposed, sullen, sour, churlish, morose, petulant, peevish, with a chip on one's shoulder
"a bitter woman"