English · Adjectives
mysterious
/mɪˈstɪə.ri.əs/
[/mɪˈstɪə.ri.əs/]
puzzling, secret
Intermediateadjective
Definition
Difficult to understand, explain, or identify.
Example
A mysterious light appeared in the sky and then vanished without a trace.
A mysterious light appeared in the sky and then vanished without a trace.
Etymology
From 'mystery' (Greek 'mysterion', secret rite) plus '-ous'.
How & Where It’s Used
Common in stories, and for unexplained events.