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

Hug Watch is an annual baseball tradition, reserved for the days leading up to the trade deadline, when unexplained moments of dugout affection often signal — or at least spark speculation — that a trade has been completed. —Chad Jennings, New York Times, 9 July 2025

An explosion on a tanker at a port in Russia is the latest unexplained incident to happen on a vessel linked to the country, which has raised speculation over sabotage. —Brendan Cole john Feng, MSNBC Newsweek, 8 July 2025

People who were in the pediatric unit should monitor themselves for 21 days after their exposure for symptoms, including a fever and a new or unexplained skin rash. —Kansas City Star, 7 July 2025

Over nine seasons, two features, and two revival seasons, her disbelief is put to the test through monster-of-the-week cases, unexplained events, and an increasingly intricate, far-reaching conspiracy. —Declan Gallagher, EW.com, 3 July 2025

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