mysteriousadjective
uk/mɪˈstɪə.ri.əs/us/mɪˈstɪr.i.əs/B2 strange, not known, or not understood:
She's an actress whose inner life has remained mysterious, despite the many interviews she has given.
He died in mysterious circumstances, and there is still a possibility that it was murder.
More examples
- All the rose bushes seem to be suffering from the same mysterious malady.
- She claims to have occult powers, given to her by some mysterious spirit.
- These mysterious creatures live at the bottom of the ocean.
- When I got home, I found a mysterious message sellotaped to the front door.
- She wondered who'd sent her the mysterious email.
Thesaurus: synonyms and related words
Confusion, confusing and feeling confused
- a chicken and egg situation idiom
- addle
- all of a doodah idiom
- all over the place idiom
- at sea idiom
- brainstorm
- disorientate
- disoriented
- distraction
- dither
- dizziness
- ferment
- flutter
- not know what hit you idiom
- not know where/which way to turn idiom
- not know whether to laugh or cry idiom
- not know whether you are coming or going idiom
- off balance
- turbulence
- whirl
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mysteriously
adverb uk/mɪˈstɪə.ri.əs.li/us/mɪˈstɪr.i.əs.li/
C1
"Perhaps, and perhaps not," she said mysteriously.
Mysteriously, the light came on, although no one was near the switch.