| tartness(noun, passion, taste, fit, difficulty) |
| acidity(noun, taste, extract, essence, sharpness) |
| sulkiness(noun, sullenness) |
| acerbity(noun, passion, fit, difficulty, temper) |
| bitterness(noun, taste, difficulty, extract, essence) |
| sour |
| sullenness(noun, passion, fit, difficulty, temper) |
| sharpness(noun, difficulty, resentment, severity, bitterness) |
| acrimony(noun, difficulty, resentment, sharpness, severity) |
| petulance(noun, passion, fit, temper, anger) |
| pungency(noun, taste, extract, essence, sharpness) |
| irascibility(noun, passion, fit, dispute, difficulty) |
| moroseness(noun, difficulty, temper, resentment, sharpness) |
| peevishness(noun, passion, fit, difficulty, temper) |
| cantankerousness(noun, passion, fit, dispute, temper) |
| causticity(noun, sharpness, bitterness, irritability, acerbity) |
| flavor(noun, taste, essence, savor, zest) |
| harshness(noun, sharpness, severity, acerbity, acidity) |
| piquancy(noun, taste, extract, essence, sharpness) |
| surliness(noun, passion, fit, dispute, temper) |