ad hominem
noun
°A fallacious objection to an argument or factual claim by appealing to a characteristic or belief of the person making the argument or claim, rather than by addressing the substance of the argument or producing evidence against the claim; an attempt to argue against an opponent's idea by discrediting the opponent himself.
°A personal attack.
adjective
°Of or related to ad hominem.
verb
°In an ad hominem manner.
synonyms: ad hominem argument, argument ad hominem, argumentum ad hominem