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mysteriously

American  
[mi-steer-ee-uhs-lee] / ˌmɪˈstɪər i əs li /

adverb

  1. in a mysterious way.


Explanation

If something occurs in a strange or eerie way, you can say it happens mysteriously. Your little brother might mysteriously disappear every time the dog needs to be walked, for example. When something can't be easily explained, it happens mysteriously. Some people say that boats mysteriously disappear in a region of the Atlantic Ocean known as the Bermuda Triangle, and others tell stories of sick people being mysteriously healed by prayer. At the heart of mysteriously is the noun mystery, which had only a religious meaning until the late fourteenth century, and which is rooted in the the Greek word mysterion, "secret rite or doctrine."

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In “Verity,” she plays the titular character, Verity Crawford, the author of a string of hit thriller novels who’s been mysteriously incapacitated after a car accident and can’t finish her final three books.

From Salon ● Oct. 9, 2026

The twisty nightmare, told through multiple perspectives, depicts the unraveling of a suburban town after a group of schoolchildren all mysteriously leave their houses at the same time and disappear into the night.

From The Wall Street Journal ● Sep. 9, 2026

“Bring shorts and a towel,” my host told me mysteriously.

From The Wall Street Journal ● Aug. 28, 2026

We began investigating this underworld for the BBC Radio 4 podcast Dead Rabbit after the bodies of dead hares and other animals were mysteriously dumped in two picturesque Hampshire villages in 2024.

From BBC ● Jul. 25, 2026

In Noel’s blood, the cells had morphed, mysteriously, into shriveled, scythe-shaped crescents—“sickle cells,” as Irons later described them.

From "The Gene" by Siddhartha Mukherjee

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