| impassivity(noun, calm, quiet, rest, restraint) |
| imperturbation(noun, calm, quiet, rest, restraint) |
| inactiveness |
| incuriosity(noun, melancholy, dullness, apathy, indifference) |
| interim(noun, break, time, halt, rest) |
| interlude(noun, break, time, rest, pause) |
| interregnum(noun, break, time, rest, interval) |
| irksomeness(noun, melancholy, dullness, apathy, indifference) |
| jadedness(noun, melancholy, dullness, apathy, indifference) |
| joylessness |
| lachrymals |
| lack of interest(noun, expression, idiom, melancholy, dullness) |
| layoff(break, halt, delay, interval, interruption) |
| letdown(noun, depression, lethargy, sluggishness, stagnation) |
| lethargy(noun, melancholy, dullness, apathy, inactivity) |
| low spirits(noun, expression, feeling, character, mind) |
| melancholia |
| misgiving(noun, depression, melancholy, sadness, gloom) |
| mood(noun, attitude, temper, disposition, temperament) |
| moodiness(depression, melancholy, sadness, misery, unhappiness) |