adj.无根据的;不必要的;未经授权的;无保证的
Your assumption that I would agree was unwarranted. 你认为我会同意,这种假设是毫无根据的。
I strongly resent such unwarranted aspersions. 我对这种莫须有的诽谤深恶痛绝.
Their concern seems to be unwarranted. 他们的担心似乎是没有必要的。