disgruntled

having a feeling that one has been wronged or thwarted in one's ambitions a disgruntled postal worker was responsible for the vandalism Synonyms aggrieved, discontent, discontented, displeased, dissatisfied, malcontentRelated Words disappointed, disenchanted, disillusioned, frustrated, unfulfilled; disquieted, disturbed, perturbed, upset; dejected, depressed, despairing, despondent, disconsolate, doleful, down, downcast, downhearted, forlorn, hangdog, inconsolable, joyless, low-spirited, miserable, mournful, sad, sorrowful, unhappyNear Antonyms blissful, delighted, glad, happy, joyful, joyous; elated, exultant, jubilant, triumphantAntonyms content, contented, gratified, pleased, satisfied