| dilute(verb, reduce, thin, water) |
| thin(verb, reduce, spoil, weaken) |
| attenuate(reduce, diminish, decrease, thin) |
| water down(expression, diminish, thin, corrupt) |
| alloy(thin, spoil, corrupt, degrade) |
| amalgamate(thin, spoil, corrupt, degrade) |
| blend(thin, spoil, corrupt, degrade) |
| cheapen(thin, spoil, corrupt, degrade) |
| commingle(thin, spoil, corrupt, degrade) |
| cook(diminish, thin, alter, interfere) |
| corrupt(thin, spoil, degrade, taint) |
| defile(thin, spoil, corrupt, degrade) |
| degrade(thin, spoil, corrupt, taint) |
| denature(thin, spoil, corrupt, degrade) |
| depreciate(thin, spoil, corrupt, degrade) |
| deteriorate(thin, spoil, corrupt, degrade) |
| devalue(thin, spoil, corrupt, degrade) |
| dissolve(thin, spoil, corrupt, degrade) |
| doctor(diminish, thin, alter, corrupt) |
| doctor up(expression, reduce, thin, corrupt) |