To argue better than; to defeat in argument.(verb)
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Use "outargue" in a sentence
"I have never been sure if so many churchmen disliked Arthur because he granted them so few privileges, or because he could outargue them at need."
""I expect St. Paul ran into a woman who could outargue him, too, " I said, not without sympathy."
"The Krat had the edge; he could outargue the man, whose position was, after all, a bit dubious in the eyes of the French (and in his own eyes, for that matter)."