groundlessKK [ˋgraʊndləs] /ˈɡɹaʊndləs/发音形容词1毫无根据的、无凭无据的、莫须有的The rumors about the company closing turned out to be groundless.关于公司倒闭的传言最后证实毫无根据。2无端的、多余的用于描述情绪Her fears about the trip proved completely groundless.她对这趟旅行的担心事后证明完全是多余的。用这个字练口说→