radicalradicalD.J.:[ˈrædikəl]K.K.:[ˈrædɪkəl]adj.1.■根本的, 基本的; 彻底的, 完全的The patient got a radical cure in the hospital.病人在医院得到了根治。He made a radical change in the plan.他对计划做了彻底的修改。2.■激进的, 激进派的His opinions are very radical.他的观点很激进。She is radical in her demands.她的要求十分偏激