| decadent |
| decline and fall(noun, expression, idiom, escape, loss) |
| decrepitude(noun, drop, fall, failure, deterioration) |
| defusing(verb, pacifying) |
| degenerate |
| degradation |
| dematerialization(noun, escape, going, loss, passing) |
| departure(going, loss, passing, disappearance, fading) |
| depreciating(adjective, declining, shrinking, lowering, falling) |
| depreciation(decrease, nonincrease) |
| desertion(going, loss, passing, disappearance, fading) |
| devolution(noun, drop, fall, failure, deterioration) |
| dilapidating(verb, deteriorating) |
| disappearing act(noun, expression, escape, going, loss) |
| disintegration(escape, going, loss, passing, disappearance) |
| dispersal(escape, going, loss, passing, disappearance) |
| dissipation(escape, going, loss, passing, disappearance) |
| dissolution(noun, drop, fall, failure, loss) |
| downgrade(noun, drop, fall, failure, deterioration) |
| downgrading(verb, deteriorating) |