Choose the perfect synonym or antonym for the word Difficult to understand or explain; full of secrets
Mysterious
/mɪˈstɪəriəs/Synonyms:
Antonyms:
Examples:
"God moves in a mysterious way," he responded.
It was the mysterious Mr Porrott.
Second, there was the mysterious stranger who had saved his life.
Etymology:
Originated in the late 16th century from the Greek word mystikos, meaning secret or occult, which itself derived from mystēs meaning initiated person.
Usage Statistics:
16 mentions per 1 million words 
Hint: Frequency according to COCA
Moderate
Hint: Frequency according to COCA
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