Word · Frequency #13790
unfounded
没有根据的；无理由的
without a basis in reason or fact
- 1.
Having no strong foundation; not based on solid reasons or facts.
没有坚实基础的；不基于充分理由或事实的
- 2.
without a basis in reason or fact
无根据的
- 3.
Not having been founded or instituted.
未被建立或设立的
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
In use
The police dismissed the unfounded rumor about the bank robbery.
Her fears about the test turned out to be completely unfounded.
Critics called the report unfounded, since it contained no real evidence.
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
修饰名词，如rumor, allegation, claim等。
They dismissed the report as an unfounded rumor.
他们驳斥该报道为毫无根据的谣言。
Common mistakes
Connections
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
- 没有根据的说法
- The article makes unfounded claims about the company's finances.这篇文章对公司财务状况的说法毫无根据。
Learner notes
Memory Tip
un（不）+ founded（建立）→ 没建立在事实上，即“无根据的、没理由的”。
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。
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。
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.