| displeasure |
| disquiet |
| distaste(noun, melancholy, dullness, apathy, indifference) |
| dolefuls(noun, sorrow, depression, melancholy, sadness) |
| dolor(noun, sorrow, depression, melancholy, sadness) |
| down trip(noun, expression, sorrow, depression, melancholy) |
| downer(noun, sorrow, depression, melancholy, sadness) |
| drone |
| drowsiness(noun, weariness) |
| dryness(noun, routine, dullness, slowness, feebleness) |
| dull work(expression, idiom, weariness) |
| dumps(noun, sorrow, depression, melancholy, sadness) |
| emptiness |
| equability(noun, routine, dullness, monotony, flatness) |
| equality(likeness, similarity, unity, repetition, resemblance) |
| equivalency(likeness, similarity, unity, repetition, resemblance) |
| evenness(noun, routine, dullness, monotony, flatness) |
| existential woe |
| familiarity(noun, routine, dullness, slowness, feebleness) |
| flaccidity(noun, weariness) |