Definitions

1. verb

to speak evil of, defame, or falsely impute something

“The politician was accused of diffaming his opponent during the debate.”

2. noun

an act of speaking evil of or falsely imputing something

“The news article reported on the diffame of the celebrity’s reputation.”

3. verb

to falsely ascribe or attribute something (archaic)

“The historian warned against diffaming the ancient civilization’s achievements.”