0 to cause people to doubt someone's character, qualities, or reputation by criticizing them:
Are you impugning my competence as a professional designer?
1 to cause people to doubt or not trust someone’s character, honesty, or ability:
He could no longer work as a doctor because his reputation had been impugned.
According to his definition, a man lost his natural honour as soon as someone impugned it.
Its most essential element remains a sort of formal rationality which no contingent truths of psychology could impugn.
Accordingly, the relation of physics to mathematics does not impugn the self-sufficiency of the latter's conceptual system.
I did not impugn his arguments in any way.
Equally, candidates will have incentives to undermine the claims to virtue of their rivals, provided their own virtue is not also thereby impugned.
A sense of honour impugned, or humiliation suffered, could and very often did lead to violence.
He also argues that my criticisms do not impugn modest incorporationism.
We hold it a slight not to be borne that anyone should impugn our essential manhood.
