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.
Such deficiencies raise the risk of improper or unauthorized spending and echo broader concerns about unexplained federal revenue entries. J.b. Jennings, Baltimore Sun, 22 Feb. 2026 The statement on his Truth Social platform signals new transparency on unidentified aerial phenomena (UAP), meaning unexplained observations in the sky, an issue that has drawn Washington’s attention for years. Sujita Sinha, Interesting Engineering, 20 Feb. 2026 What really makes this valuable for women in perimenopause and menopause, according to Rivas, is that many in this group experience symptoms like unexplained stress, poor sleep, fatigue, and anxiety. Rita Templeton, Flow Space, 18 Feb. 2026 Doctors say symptoms such as severe chest pain, abnormally fast heartbeat, unexplained fainting or passing out during physical exercise should be evaluated by a health care professional. CBS News, 18 Feb. 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 24 Feb. 2026.

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