duel /ˈdul/noun 3verb 1forms 5 noun3 •Arranged, regular combat between two private persons, often over a matter of honor.I have often thought since, how different my fate might have been, had I not fallen in love with Nora at that early age; and had I not flung the wine in Quin’s face, and so brought on the duel. — 1844 •Historically, the wager of battle (judicial combat). •Any battle or struggle between two contending persons, forces, groups, or ideas.But it leaves them with a few destroyers, the American destroyer force is falling back, and then you have the two cruiser lines with their respective battleships coming in for the big duel. — 2019 verb1 •To engage in a battle.The two dogs were duelling for the bone. formsdueled · duelled · dueling · duelling · duels