Meaning & Definition
adjective
Difficult or impossible to understand, explain, or identify; having an enigmatic or inexplicable quality.
The old mansion has a mysterious aura that draws visitors in.
Not known or not fully understood.
The origins of the ancient artifact remain mysterious to archaeologists.
Appearing to be hidden or concealed.
She received a mysterious letter with no return address.
Evoking curiosity or wonder, often because of a sense of secrecy.
He has a mysterious smile that makes people wonder what he’s thinking.
Characterized by a sense of the supernatural or otherworldly.
The mysterious lights in the sky puzzled the astronomers.
Etymology
From Latin 'mysteriosus', from 'mysterium', meaning 'mystery'.
Common Phrases and Expressions
mysterious ways:
refers to the belief that divine or fateful events can be unpredictable and unclear.
mysterious stranger:
a person whose identity is unknown or unclear, often evoking intrigue.
Slang Meanings
Ghosting someone intentionally for a dramatic effect.
He just went completely mysterious on me—no texts, no calls.
Behaving in an unpredictable or secretive manner.
She's acting all mysterious; I wonder what she's hiding.