What does impuned mean?

"Impuned" is the past participle of the verb "impugn". It means to attack the integrity or validity of something or someone.

Examples:

* "The politician's reputation was impuned by the scandal."

* "The scientist's findings were impuned by his colleagues."

* "His motives were impuned by his opponents."

In essence, "impuned" implies a negative accusation or criticism that casts doubt on someone or something's trustworthiness or credibility.