| decay(noun, drop, fall, deterioration, falloff) |
| decrepitude(noun, drop, fall, deterioration, falloff) |
| degeneracy(noun, drop, fall, deterioration, falloff) |
| degeneration(noun, drop, fall, deterioration, falloff) |
| depression decline(expression, slump) |
| devolution(noun, drop, fall, deterioration, falloff) |
| dip into |
| dissolution(noun, drop, fall, deterioration, falloff) |
| distortion(drop, decline, fall, slump) |
| downer(decline, low, depression, dip, recession) |
| downgrade(noun, drop, cut, decline, fall) |
| droop(drop, decline, fall, slump) |
| dropoff(noun, decline) |
| dwindling(noun, drop, cut, decline, fall) |
| ebb(noun, drop, cut, decline, fall) |
| ebbing(noun, drop, fall, deterioration, falloff) |
| enfeeblement(noun, drop, fall, deterioration, falloff) |
| failing(noun, drop, fall, deterioration, falloff) |
| fall off(expression, drop, position, decrease) |
| fall through |