unexplained
word
Definition
If something is unexplained, there is no clear reason or cause known for it. It describes situations, events, or facts that haven't been made clear or understood.
Usage & Nuances
Commonly used to refer to mysteries, sudden events, or things lacking a clear cause. Appears in news, science, or everyday speech. Often used with 'disappearance', 'illness', or 'reason'. More formal/neutral than slang expressions for mysterious things.
Example Sentences
Her sudden illness is still unexplained by the doctors.
natural
There’s been an unexplained drop in sales this month.
natural
The lights kept flickering off for unexplained reasons all evening.
natural
The cause of the fire remains unexplained.
basic
There was an unexplained noise in the house last night.
basic
He left for unexplained reasons.
basic