| Noun | 1. | taint - the state of being contaminated | |
| Verb | 1. | taint - place under suspicion or cast doubt upon; "sully someone's reputation" | |
| 2. | taint - contaminate with a disease or microorganismsuperinfect - infect (an infected cell) further or infect a cell already containing similar organisms smut - affect with smut or mildew, as of a crop such as corn | |