| disimprove(verb, harm, worsen, degradation) |
| impair(verb, harm, worsen, degradation) |
| worsen(verb, harm, degradation) |
| detract(verb, take, raise, extend, lessen) |
| accentuate(verb, harm, worsen, degradation) |
| aggravate(verb, harm, worsen, degradation) |
| debase(verb, harm, worsen, degradation) |
| degrade(verb, harm, worsen, degradation) |
| deprave(verb, harm, worsen, degradation) |
| deteriorate(verb, harm, worsen, degradation) |
| exacerbate(verb, harm, worsen, degradation) |
| pejorate(verb, harm, worsen, degradation) |
| damage(verb, harm, worsen, degradation) |
| decline(verb, harm, worsen, degradation) |
| decrease(verb, harm, worsen, degradation) |
| diminish(verb, harm, worsen, degradation) |
| harm(verb, worsen, degradation) |