
impugn
/ˌɪmˈpjun/
to dispute the truth or validity of
“They attempted to impugn his credibility.”
Origin: Latin impugnare to attack, assault from in- against + pugnare to fight

/ˌɪmˈpjun/
to dispute the truth or validity of
“They attempted to impugn his credibility.”
Origin: Latin impugnare to attack, assault from in- against + pugnare to fight