unexplained

/ ˌʌnɪkˈspleɪnd /

adjective

1. not explained or understood

   unexplained phenomena

Derived Forms

• ˌunexˈplainable, adjective

Example Sentences

Dorset Police, who previously said carbon monoxide poisoning was a possible cause, said the deaths were still being treated as "unexplained".

From BBC

Doctors later determined he had suffered a brain injury that was "unexplained and non-accidental", leading to the arrest of Spreadbury.

From BBC

Their sudden and unexplained disappearance has long vexed aviation experts and helped enshrine Earhart’s place in American culture.

From Los Angeles Times

We're here because of seemingly unexplained events.

From BBC

Forensics officers have been in the area since the unexplained death of the 58-year-old man on 17 October.

From BBC

Related Words

• anonymous
• exotic
• foreign
• nameless
• new
• remote
• strange
• uncharted
• undiscovered
• unexplored
• unfamiliar
• unidentified
• unnamed
• unrecognized