| decrease(verb, drop, reduce, destroy) |
| defile(verb, thin, spoil, corrupt) |
| vitiate(verb, reduce, ruin, destroy) |
| alloy(thin, spoil, corrupt, degrade) |
| contaminate(thin, spoil, corrupt, degrade) |
| denature(thin, spoil, corrupt, degrade) |
| deteriorate(verb, drop, reduce, ruin) |
| impair(verb, reduce, ruin, destroy) |
| pollute(thin, spoil, corrupt, degrade) |
| recede(verb, break, drop, reduce) |
| taint(thin, spoil, corrupt, degrade) |
| weaken(verb, drop, reduce, ruin) |
| abridge(verb, reduce, diminish, lower) |
| amalgamate(thin, spoil, corrupt, degrade) |
| attenuate(reduce, diminish, decrease, thin) |
| bankrupt(verb, break, reduce, ruin) |
| bant(verb, break, reduce, ruin) |
| blend(thin, spoil, corrupt, degrade) |
| chop(verb, reduce, diminish, lower) |
| clip(verb, reduce, diminish, lower) |