Oppugn (verb)
op-uyn
to assail by criticism, argument, or action.
Oppugn comes from Latin oppugnāre, “to oppose, attack,” which is based on the noun pugnus, “fist.” Pugnus is the source of numerous fighting-related words in English, including impugn and pugnacious.
Example sentences
“The neighbours oppugned their bad behaviour, late into the night.”