unexplained

adjective

un·​ex·​plained ˌən-ik-ˈsplānd 

: not explained or accounted for

an unexplained error

an unexplained delay

Examples of unexplained in a Sentence

Recent Examples on the Web

Think about someone who has unexplained fatigue and several unusual lab results. — Kurt Knutsson, FOXNews.com, 1 Nov. 2026

An unexplained light show over France And how better to kick off our Halloween skywatching tales than with a retelling of the strange event that terrified my entire family during a trip to France, two decades ago. — Anthony Wood, Space.com, 29 Oct. 2026

When the older man dies in unexplained circumstances, Max and his friend Sam set out to learn the truth, and the search leads them into a perilous plot. — Naman Ramachandran, Variety, 29 Oct. 2026

George Lutz rejected the suggestion that the entire experience was fabricated and continued to maintain that his family had encountered unexplained phenomena in the house, although some details of the story were embellished over time. — Frannie Comstock, Encyclopedia Britannica, 28 Oct. 2026

Word History

First Known Use

1721, in the meaning defined above

Rhymes for unexplained

• foreordained
• unascertained
• abstained
• arraigned
• attained
• bloodstained
• campaigned
• complained
• constrained
• contained
• curtained
• detained