| stupor(noun, inactivity, fatigue, lethargy, inertia) |
| tedium(noun, routine, dullness, slowness, feebleness) |
| vapidity(noun, excite, depression, lack, routine) |
| vapidness(noun, excite, depression, lack, routine) |
| dimness |
| fatigue(noun, weariness, stupor, tiredness, lassitude) |
| flatness(noun, excite, depression, lack, routine) |
| hebetude(noun, fatigue, weariness, stupor, tiredness) |
| inanimation(noun, inertness) |
| inanity(dullness, feebleness, blandness) |
| insipidness(noun, excite, depression, lack, routine) |
| jejuneness(noun, excite, depression, lack, routine) |
| languidness |
| limpness(noun, motionlessness, floppiness) |
| mildness(routine, dullness, slowness) |
| paralysis(noun, calm, stillness, immobility, inertness) |
| quiet(noun, calm, rest, stillness, immobility) |
| sterileness(noun, excite, lack, routine, dullness) |
| stodginess(noun, excite, lack, routine, dullness) |
| tediousness(noun, routine, dullness, slowness, tedium) |