| queer(verb, harm, hinder, spoil, weaken) |
| rattle(verb, upset, trouble, hurt, bother) |
| sicken(verb, trouble, hurt, bother, disturb) |
| sink(verb, drop, take, decline, ruin) |
| unman(upset, weakness, depress, extinguish, dishearten) |
| unstrengthen(verb, stop, hurt, ruin, restrain) |
| use up(expression, reduce, weaken, dry, drain) |
| wear down(verb, expression, drop, take, worry) |
| wilt(verb, decline, fail, blow, lower) |
| adulterate(verb, decline, reduce, fail, halt) |
| afflict(verb, upset, trouble, dull, hurt) |
| ail(verb, upset, trouble, dull, hurt) |
| beat(verb, upset, trouble, dull, reduce) |
| bore(verb, worry, fail, strain, annoy) |
| bugger |
| chill(verb, upset, dull, reduce, disturb) |
| corrode(verb, decline, hurt, ruin, destroy) |
| crumble(verb, decline, fail, blow, lower) |
| daunt(verb, upset, trouble, dull, reduce) |
| deaden(verb, dull, destroy, halt, diminish) |