Word · Frequency #13790
unfounded
没有根据的；无理由的
核心释义
without a basis in reason or fact
- 1.
没有坚实基础的；不基于充分理由或事实的
Having no strong foundation; not based on solid reasons or facts.
- 2.
无根据的
without a basis in reason or fact
- 3.
未被建立或设立的
Not having been founded or instituted.
没有坚实基础的；不基于充分理由或事实的；无根据的；未被建立或设立的；没有事实根据的；没有理由的
用法In use
The police dismissed the unfounded rumor about the bank robbery.
用法提示：unfounded 作定语形容词，表示“没有事实根据的”。
Her fears about the test turned out to be completely unfounded.
用法提示：unfounded 作表语形容词，说明主语 fears 的性质。
Critics called the report unfounded, since it contained no real evidence.
用法提示：unfounded 作宾语补足语，表示“无根据的”。
unfounded suspicions
be unfounded
常用于否定指控、谣言等无根据。
The allegations against him were completely unfounded.
对他的指控完全没有根据。
unfounded + noun
相关词与表达Connections
搭配Collocations
- unfounded allegation
- 没有根据的指控
- The newspaper retracted its unfounded allegation after the investigation.调查后，该报纸撤回了没有根据的指控。
- unfounded rumor
- 毫无根据的谣言
- She dismissed the story as an unfounded rumor.她认为这则报道是毫无根据的谣言而不予理会。
- unfounded accusation
- 无端的指责
- He denied the unfounded accusation in court.他在法庭上否认了这一无端的指责。
- unfounded fear
- 无端的恐惧
- Many people have unfounded fears about the safety of vaccines.许多人对疫苗的安全性怀有无端的恐惧。
- unfounded claim
学习提示Learner notes
记忆技巧Memory Tip
un（不）+ founded（建立）→ 没建立在事实上，即“无根据的、没理由的”。
语境与语域Context & Register
语域：formal 常见场景：新闻报道、正式声明、法律文书 unfounded 多用于正式或书面语，常见于新闻报道、法律或公开声明等场合，表示“没有事实根据的”。日常口语中较少使用，更常说 groundless。
发音与拼写Pronunciation & Spelling
这些词都以 -ounded 结尾。founded、rounded、sounded、astounded、confounded 的重读元音都是 /aʊ/，与 unfounded /ənˈfaʊndɪd/ 的 /faʊndɪd/ 押韵；wounded 虽然拼写相同，但读作 /ˈwuːndɪd/，与它们不押韵。
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from ECDICT, WIKTIONARY.