| unnerve(verb, trouble, dull, quiet, hurt) |
| unstrengthen(verb, stop, hurt, ruin, restrain) |
| vitiate(verb, harm, spoil, weaken, injure) |
| KO(verb, dull, quiet, diminish, abate) |
| abate(verb, dull, quiet, diminish, impair) |
| abuse(harm, spoil, injure) |
| adjy(verb, trouble, hurt, bother, disturb) |
| alleviate(verb, dull, quiet, diminish, abate) |
| bang up(expression, harm, spoil, injure) |
| bewilder(verb, trouble, hurt, bother, disturb) |
| bleach(harm, spoil, injure, disinfect, fumigate) |
| botch(verb, disable) |
| bother(verb, trouble, hurt, disturb, distress) |
| break(verb, hurt, reduce, cause, ruin) |
| bring low(expression, destroy, level, drain, weary) |
| bring to grinding halt(expression, idiom, destroy, halt, immobilize) |
| bugger |
| burn(harm, spoil, injure) |
| castrate |
| cause injury(expression, harm, spoil, injure) |