| Main Entry: | |
| Part of Speech: | noun |
| Definition: | sourness |
| Synonyms: | acidity, acridity, bitterness, sour |
| Main Entry: | acidity |
| Part of Speech: | noun |
| Definition: | bitterness |
| Synonyms: | acerbity, acridness, astringency, causticity, pungency, sourness, tartness |
| Main Entry: | acrimony |
| Part of Speech: | noun |
| Definition: | nasty behavior, speech |
| Synonyms: | acerbity, animosity, antipathy, asperity, astringency, belligerence, bitterness, churlishness, crankiness, harshness, ill will, irascibility, malevolence, malice, mordancy, peevishness, rancor, rudeness, sarcasm, spite, tartness, unkindness, virulence |
| Antonyms: | civility, courtesy, diplomacy, flattery, kindness, politeness, sweetness |
| Main Entry: | asperity |
| Part of Speech: | noun |
| Definition: | harshness; bad temper |
| Synonyms: | acerbity, acrimony, bitterness, churlishness, crabbiness, crossness, difficulty, disagreeableness, irascibility, irritability, meanness, moroseness, peevishness, roughness, sharpness, sourness, sullenness, tartness |
| Antonyms: | calmness, happiness, kindness, mildness |
| Main Entry: | bitterness |
| Part of Speech: | noun |
| Definition: | sourness |
| Synonyms: | acerbity, acidity, acridity, astringency, brackishness, brininess, piquancy, pungency, sharpness, tartness, vinegariness |
| Antonyms: | sweetness |
| Main Entry: | flavor |
| Part of Speech: | noun |
| Definition: | odor and taste |
| Synonyms: | acidity, aroma, astringency, bitterness, essence, extract, gusto, hotness, piquancy, pungency, relish, saltiness, sapidity, sapor, savor, seasoning, smack, sourness, spiciness, sweetness, tang, tartness, twang, vim, wallop, zest, zing |
| Main Entry: | temper |
| Part of Speech: | noun |
| Definition: | angriness; bad mood |
| Synonyms: | acerbity, anger, annoyance, bad humor, cantankerousness, crossness, dander, excitability, fit, fretfulness, furor, fury, grouchiness, heat*, hotheadedness, huffiness, ill-humor, impatience, irascibility, ire, irritability, irritation, miff, outburst, passion, peevishness, petulance, pugnacity, rage, resentment, sensitivity, short fuse, slow burn, snit, sourness, stew, sullenness, surliness, tantrum, tartness, tear*, tiff, tizzy, touchiness, wax |
| Antonyms: | happiness |
| Main Entry: | irascibility |
| Part of Speech: | noun |
| Definition: | temper |
| Synonyms: | acerbity, anger, annoyance, bad humor, cantankerousness, crossness, dander, excitability, fit, fretfulness, furor, fury, grouchiness, heat*, hotheadedness, huffiness, ill-humor, impatience, irascibleness, ire, irritability, irritation, low boiling point, miff, outburst, passion, peevishness, petulance, pugnacity, rage, resentment, sensitivity, short fuse, slow burn, snit, sourness, spleen, stew, sullenness, surliness, tantrum, tartness, tear*, temperament, tetchiness, tiff, tizzy, touchiness, wax |
| Main Entry: | irascibleness |
| Part of Speech: | noun |
| Definition: | temper |
| Synonyms: | acerbity, anger, annoyance, bad humor, cantankerousness, crossness, dander, excitability, fit, fretfulness, furor, fury, grouchiness, heat*, hotheadedness, huffiness, ill-humor, impatience, irascibility, ire, irritability, irritation, low boiling point, miff, outburst, passion, peevishness, petulance, pugnacity, rage, resentment, sensitivity, short fuse, slow burn, snit, sourness, spleen, stew, sullenness, surliness, tantrum, tartness, tear*, temperament, tetchiness, tiff, tizzy, touchiness, wax |