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 boys’ parents frequently asked teachers and officials at The Joshua School about their sons’ unexplained bruises and injuries while the abuse was going on, but school officials claimed the children were injuring themselves. Shelly Bradbury, Denver Post, 23 Jan. 2026 Police are reviewing surveillance footage from the area and the man’s death is currently being treated as unexplained. Gabrielle Rockson, PEOPLE, 20 Jan. 2026 The agency has determined that the person has gone missing under unexplained or suspicious circumstances. Thao Nguyen, USA Today, 19 Jan. 2026 Tax revenue projections based on near constant peak load also depart from industry norms and remain unexplained. Chicago Tribune, 15 Jan. 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

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Cite this Entry

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

Last Updated: - Updated example sentences
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