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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The pilot of a private jet reportedly made an eerie discovery while flying thousands of feet over Rhode Island, marking the latest in unexplained encounters baffling both experts and civilians alike. Julia Bonavita, FOXNews.com, 22 Dec. 2025 Online, the unexplained missing files fueled speculation about what was taken down and why the public was not notified, compounding long-standing intrigue about Epstein and the powerful figures who surrounded him. Michael R. Sisak, Fortune, 20 Dec. 2025 There have also been a string of unexplained blasts on tankers that have called at Russian ports since December 2024. Reuters, NBC news, 19 Dec. 2025 In 2008, astronomers detected an unexplained bright object located 25 light-years from Earth in the Piscis Austrinus constellation. Andrew Paul, Popular Science, 18 Dec. 2025 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

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Cite this Entry

“Unexplained.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unexplained. Accessed 1 Jan. 2026.

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