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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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 The Justice Department also said in court filings this week that the construction must continue for unexplained national security reasons. Ella Lee, The Hill, 16 Dec. 2025 Defense attorney Larry Tipton said that Ana Walshe died a sudden, unexplained death. Tim Stelloh, NBC news, 15 Dec. 2025 After being diagnosed with unexplained infertility, the couple proceeded with IVF, which involved fertilizing the egg outside of the body. Brande Victorian, Essence, 12 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 23 Dec. 2025.

Last Updated: - Updated example sentences
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