impugn synonyms

impugn

v.

question, attack, challenge, call in question, contradict, gainsay, deny, assail, knock*; see also deny, doubt 1, 2. See syn. study at deny.

Webster's New World Roget's A-Z Thesaurus Copyright © 1999 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.