adj. 未建立的；没有理由的；没有事实根据的
1.Are Scottish worries unfounded?
难道苏格兰杞人忧天了吗？
2.There are many arguments against veganism and every single one is unfounded.
有许多关于素食主义者的争论都是缺乏事实根据的。
3.The rumour was unfounded.
传闻失实。
4.The European parliament's accusation is totally unfounded and irresponsible.
欧洲议会的有关指责是毫无根据的，也是不负责任的。
5.Criticisms: understandable but unfounded.
指责可以理解，但并无根据。
6.But concerns over intellectual property rights have proved to be unfounded.
对于知识产权问题存在顾虑显然多此一举。
7.Fears that the euro would be a "soft" currency have proved unfounded.
欧元将会是个软通货的担忧是毫无根据的。
8.Speculation about a divorce proved totally unfounded.
有关离婚的猜测证实纯属无稽之谈。