| verb | corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones “adulterate liquor” |
| adjective | making impure or corrupt by adding extraneous materials “the adulterating effect of extraneous materials” |
| adulterant | adjective | making impure or corrupt by adding extraneous materials |
| adulterant | noun | any substance that lessens the purity or effectiveness of a substance |
| adulterator | noun | any substance that lessens the purity or effectiveness of a substance |
| dilution | noun | weakening (reducing the concentration) by the addition of water or a thinner |
| debasement | noun | being mixed with extraneous material; the product of adulterating |
| adulterate | verb | corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones |