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.
Until then, symptoms such as a persistent or worsening cough, coughing up blood, chest pain, shortness of breath, hoarseness or unexplained weight loss warrant a conversation with a healthcare provider. — Emily Cegielski, Flow Space, 31 July 2026 Instead, Captain Pike delegates the investigation to Division 12, a mysterious branch of Starfleet that specializes in unexplained phenomena. — Richard Edwards, Space.com, 30 July 2026 Other than her somewhat unexplained presence at the apartment, Mira seems to have a nice time with Jane, and Jane leaves her physically unharmed. — Erin Qualey, Vulture, 27 July 2026 Still others described unexplained rashes, outbreaks of diarrhea and infestations of lice, among a host of other maladies for which many said they were offered only Tylenol or allergy medication. — Sonja Sharp, Los Angeles Times, 24 July 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

Rhymes for unexplained

See All Rhymes for unexplained

Browse Nearby Words

unexplainably
unexplained
unexplicit
See all Nearby Words

Cite this Entry

“Unexplained.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unexplained. Accessed 5 Aug. 2026.

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