not fair or necessary synonym unwarranted opposite justified不公正的;不正当的;不必要的 Extra ExamplesThis is a wholly unjustified attack on individual freedoms. 这是对个人自由毫无道理的攻击。 You'd be taking an unjustified risk if you attempted to find the hostages yourself. 如果你试图自己找到人质,那你就冒了不合理的风险。