unexplained

adjective

un·​ex·​plained ˌən-ik-ˈsplānd How to pronounce unexplained (audio)
: not explained or accounted for
an unexplained error
an unexplained delay

Examples of unexplained in a Sentence

Recent Examples on the Web
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Despite extensive testing, doctors diagnosed them with unexplained infertility—offering no clear cause or solution. Lydia Patrick, MSNBC Newsweek, 29 Mar. 2026 Vance framed his skepticism of alien life through a religious lens, saying accounts of unexplained phenomena align more closely with spiritual interpretations than extraterrestrial ones. Rena Rowe, The Washington Examiner, 28 Mar. 2026 Other concerning symptoms can include lower abdominal pain, unexplained weight loss, persistent diarrhea or constipation, and changes in stool color or consistency, Kamal said. Kerry Breen, CBS News, 28 Mar. 2026 The facility was allegedly operated by a Chinese national involved in smuggling counterfeit COVID tests while receiving millions in unexplained payments from China. Hannah Fry, Los Angeles Times, 25 Mar. 2026 See All Example Sentences for unexplained

Word History

First Known Use

1721, in the meaning defined above

Time Traveler
The first known use of unexplained was in 1721

Browse Nearby Words

Cite this Entry

“Unexplained.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unexplained. Accessed 4 Apr. 2026.

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