| slack up(verb, expression, decline, reduce, ease) |
| slacken(verb, decline, reduce, ease, moderate) |
| smaller |
| soft-pedal(verb, decline, reduce, ease, diminish) |
| subside(verb, drop, decline, reduce, moderate) |
| take the bite out(verb, expression, idiom, decline, reduce) |
| take the edge off(verb, expression, idiom, decline, reduce) |
| take the sting out(verb, expression, idiom, decline, reduce) |
| taper off(verb, expression, decline, reduce, ease) |
| temper(verb, decline, reduce, moderate, lower) |
| thin(verb, decline, reduce, ease, diminish) |
| truncate(verb, decline, reduce, ease, diminish) |
| wane(verb, drop, decline, reduce, moderate) |
| waste(verb, decline, reduce, diminish, decrease) |
| waste away(verb, expression, reduce, diminish, contract) |
| wind down(verb, expression, decline, reduce, ease) |
| wither(verb, drop, decline, reduce, diminish) |
| wrinkle(verb, decline, reduce, diminish, decrease) |
| atrophy(verb, reduce, shrink, shrivel) |
| bate(verb, drop, close, decline, fall) |