Words similar to badmouthing

Example sentences for: badmouthing

How can you use “badmouthing” in a sentence? Here are some example sentences to help you improve your vocabulary:

Would that be the same Evelyn Lincoln who after JFK's death, according to Slate's David Plotz, "circulated stories that Jackie had had adulterous trysts in the White House" and "spent the remaining 32 years badmouthing LBJ and Jackie..."?
Sounds a bit like Dick Morris defending Bill by badmouthing Hillary.
The next question was this: What was it about the -ard ending that appealed to our badmouthing forebears?