A Pound of Thoughts

Definition

impugn \im-PYOON\, transitive verb:
To attack by words or arguments; to call in question; to make insinuations against; to oppose or challenge as false; to gainsay.

Origin

Impugn comes from the Latin impugnare, “to assail,” from in-, “against” + pugnare, “to fight”.

Example Sentence

If I believe the man is a fraud I will impugn his comments.

Word of the Day courtesy of dictionary.com.