have been tainting
- present perfect progressive of taint.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
There’s no word yet about what might have been tainting the president’s mail — but an unnamed federal official said that early tests detected ricin in the Pentagon packages, NBC Washington reports.
From The Verge • Oct. 2, 2018
