5 synonym groups for Bitter

resentful, unforgiving, bitter, spiteful, vindictive, rancorous, vengeful, acrimonious, malcontent, hostile, antagonistic, begrudging, envious, jealous, maleficent, ill-willed, malevolent, unappeasable, implacable, unrelenting, unyielding, obstinate, stubborn, tenacious, intransigent, obdurate, inflexible, rigid, unbending, unmerciful, remorseless, relentless, inexorable, unpitying, pitiless, cold-hearted, hard-hearted, callous, unsympathetic, uncharitable, harsh, severe, stern, strict, unforbearing, unaccommodating, uncooperative, unkind, cruel [x]

bitter, caustic, acerbic, harsh, sharp, cutting biting, scathing, sarcastic, spiteful, hostile, rancorous, venomous, vitriolic, malicious, mordant, trenchant, virulent, nasty, mean, unkind, cruel, severe, angry, irate, irascible, choleric, peevish, petulant, testy, irritable, cross, cantankerous, contentious, belligerent, antagonistic, combative, confrontational, quarrelsome, fractious, surly, grumpy, grouchy, snappish, snappy, waspish, prickly, touchy, churlish, ill-tempered [x]

tart, acidic, tangy, sharp, bitter, acerbic, vinegary, pungent, biting, astringent, acrid, piquant, zesty, lemony, citric, unripe, green, fermented, briny, pickled, unsweetened, harsh, caustic, cutting, mordant, keen, acetic, sourish, sour-tasting, sour-flavored, sourpuss, sourball, sourdough, souring, soured, sourishness, sourness, sourwood, sourwort, sourweed, sourberry, sourgrass, sourgum, sourlemon, sourlime, sourorange, sourplum, sourcherry, sourgrape [x]

resentment, bitterness, animosity, hostility, malice, spite, hatred, enmity, ill will, grudge, antipathy, acrimony, venom, malevolence, aversion, antagonism, vindictiveness, spleen, gall, wrath, ire, animus, bad blood, jaundice, pique, umbrage, bile, detestation, loathing, abhorrence, repugnance, revulsion, distaste, dislike, odium, ill feeling, hard feelings, bad feeling, ill disposition, ill temper, ill nature, ill humor, ill sentiment, ill regard, ill opinion, ill thought, ill attitude, ill perspective, ill outlook [x]

bad temper, irritability, grumpiness, moodiness, sur, crankiness, peevishness, testiness, petulance, crossness, grouchiness, churlishness, irascibility, touchiness, snappishness, fractiousness, dyspepsia, spleen, biliousness, cantankerousness, crabbedness, curmudgeonliness, waspishness, choler, ill temper, ill nature, moroseness, sourness, sullenness, irritableness, short temper, bad mood, ill disposition, fretfulness, querulousness, snappiness, tetchiness, impatience, annoyance, vexation, exasperation, anger, wrath, fury, rage, indignation, resentment, bitterness, acrimony [x]