Argue  v. (-ues, -ued, -uing) 1 (often foll. By with, about, etc.) Exchange views forcefully or contentiously. 2 (often foll. By that) maintain by reasoning; indicate. 3 (foll. By for, against) reason. 4 treat (a matter) by reasoning. 5 (foll. By into, out of) persuade.  argue the toss colloq. Dispute a choice already made.  arguable adj. Arguably adv. [latin arguo make clear, prove]