unexplained
adjective/ˌʌnɪkˈspleɪnd/
Frequency rank: #9,783 most common English word
Meaning
not accounted for or given a reason; mysterious.

Example sentence
The police closed the case, but many witnesses were still troubled by the unexplained events that had occurred that night.
Synonyms & related words
- mysterious
- puzzling
- strange
- baffling
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