| adj. | 1. | making impure or corrupt by virtue of extraneous origin; - of impurities. |
| 2. | making impure or corrupt by adding extraneous materials; - of people. |
| Adj. | 1. | adulterating - making impure or corrupt by adding extraneous materials; "the adulterating effect of extraneous materials" Synonyms: adulterant Antonyms: purifying - freeing from noxious matter; "filtration is a purifying agent" |