mysterious
adjective
mys·te·ri·ous
mi-ˈstir-ē-əs 
1
a
: of, relating to, or constituting mystery
the mysterious ways of God
b
: exciting wonder, curiosity, or surprise while baffling efforts to comprehend or identify : mystifying
heard a mysterious noise
a mysterious stranger
a mysterious plane crash
a mysterious illness
2
: stirred by or attracted to the inexplicable
… to help a mysterious wizard … ward off the end of the world with blood sacrifices.—
Robert Houston
Robert Houston
mysteriousness
noun
Synonyms
Examples of mysterious in a Sentence
the mysterious ways of nature
We heard a mysterious noise outside our tent.
He died under mysterious circumstances.
A mysterious illness has been spreading through the city.
There's something mysterious about that old woman.
Her behavior was very mysterious.
Recent Examples on the Web
Ku Bar Best described by locals as both comforting and mysterious.
—Jenn Rice, Forbes, 21 Nov. 2024
Ashworth, 92, grew up in poverty, mostly in South Austin and East Austin during the 1930s and '40s, after his mysterious father abandoned the family.
—Michael Barnes, Austin American-Statesman, 21 Nov. 2024
The film is Paolo Sorrentino’s love letter to Naples — his second, following 2021’s The Hand of God — and Parthenope, a mysterious, irresistible beauty, is the stand-in for the enigmatic pull the city has over him.
—Scott Roxborough, The Hollywood Reporter, 21 Nov. 2024
Some of the rooms Coster investigates in Season 1 are truly horrifying, categorized by unwashed clothes and sheets and mysterious liquids.
—Ethan Shanfeld, Variety, 21 Nov. 2024
See all Example Sentences for mysterious 
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Jenn Rice, Forbes, 21 Nov. 2024
Ashworth, 92, grew up in poverty, mostly in South Austin and East Austin during the 1930s and '40s, after his mysterious father abandoned the family.
—Michael Barnes, Austin American-Statesman, 21 Nov. 2024
The film is Paolo Sorrentino’s love letter to Naples — his second, following 2021’s The Hand of God — and Parthenope, a mysterious, irresistible beauty, is the stand-in for the enigmatic pull the city has over him.
—Scott Roxborough, The Hollywood Reporter, 21 Nov. 2024
Some of the rooms Coster investigates in Season 1 are truly horrifying, categorized by unwashed clothes and sheets and mysterious liquids.
—Ethan Shanfeld, Variety, 21 Nov. 2024
See all Example Sentences for mysterious
Dictionary Entries Near mysterious
Cite this Entry
“Mysterious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mysterious. Accessed 28 Nov. 2024.
Copy CitationKids Definition
mysterious
adjective
mys·te·ri·ous
mis-ˈtir-ē-əs
: containing, suggesting, or presenting a mystery
mysterious noises
also
: difficult or impossible to understand
the mysterious ways of nature
mysteriously
adverb
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