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.
Blending supernatural elements with action, suspense and special effects, the film centers on a criminal investigation into a series of unexplained killings. Naman Ramachandran, Variety, 20 Mar. 2026 Scientists must first rule out any possible non-biological explanations for a discovery, meaning the discovery would have to be unexplained by any chemical or geological processes. Mary Magnuson, The Conversation, 20 Mar. 2026 If unexplained exhaustion has become your baseline, requesting a full thyroid panel, not just TSH, is a concrete next step. Allison Palmer, Sacbee.com, 20 Mar. 2026 Among the claims of the lawsuit, the Portens said the city failed to search the email accounts used by Knetter, provided records with unexplained redactions, imposed unlawful fees to access the data, and that Hampton also failed to update its data access policy for nearly two decades. Elliot Mann, Twin Cities, 18 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

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Cite this Entry

“Unexplained.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unexplained. Accessed 26 Mar. 2026.

Last Updated: - Updated example sentences
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