unfoundedadj.

英 ʌn'faʊndɪd | 美 ʌn'faʊndɪd

中文adj. 未建立的；没有理由的；没有事实根据的

词根词源

unfounded (adj.)1640s, "having no foundation or basis," from un- (1) "not" + past participle of found (v.1).

关键词

unfounded