• Bengali Word বিবাদী English definition (adjective) 1 disputing; contending; contesting. 2 under dispute: বিবাদী সম্পত্তি. 3 opposite; hostile. (noun) 1 litigant; party in a lawsuit; defendant. 2 contestant; opponent; opposite party. 3 (music) a note which is seldom used or altogether discarded in a particular musical mode. বিবাদিনী (feminine) = বিবাদী.