| decompose(verb, decline, weaken, lessen, degenerate) |
| decreasing(adjective, decrease, nonincrease) |
| decrement(noun, decrease, nonincrease) |
| defile(verb, decline, weaken, lessen, degenerate) |
| degeneracy(noun, drop, fall, failure, deterioration) |
| deliquesce(verb, decline, fall, fail, diminish) |
| dematerialize(verb, go, withdraw, leave, abandon) |
| depart(verb, drop, close, go, end) |
| devaluate(verb, drop, quiet, cut, decline) |
| devolution(noun, drop, fall, failure, deterioration) |
| dilapidate(verb, stop, end, pass, fall) |
| dilute(verb, decline, reduce, fail, halt) |
| discolor(verb, decline, weaken, lessen, degenerate) |
| disperse(verb, go, decline, fall, withdraw) |
| dissipate(verb, go, end, withdraw, fail) |
| dive(noun, verb, drop, decline, settle) |
| downfall(noun, drop, fall, failure, deterioration) |
| downtrend(noun, drop, fall, deterioration, falloff) |
| drag(verb, drop, decline, settle, fail) |
| drop out of sight(expression, idiom, go, withdraw, leave) |