mysteriously

adverb

mys·​te·​ri·​ous·​ly mi-ˈstir-ē-əs-lē How to pronounce mysteriously (audio)
: in a mysterious manner : in a way that is difficult to explain or comprehend
documents that have mysteriously disappeared
smiling mysteriously
"I've got the key to my castle in the air, but whether I can unlock the door remains to be seen," observed Jo mysteriously.—Louisa May Alcott

Examples of mysteriously in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Jonathan Howland, an emeritus professor of emergency medicine at Boston University, who has studied hangovers and people who are mysteriously resistant to them, thinks that one possible source of the condition is methanol. — Shayla Love, New Yorker, 26 Aug. 2026 Hathaway plays a suburban mom whose neighborhood is suddenly and mysteriously transported from 1982 to prehistoric times, putting family and neighbors at the mercy of hungry dinosaurs. — The Week Us, TheWeek, 23 Aug. 2026 An international cast fueled a show that featured people gifted with superpowers around the world that had a mysteriously ominous connection. — Maira Garcia, Los Angeles Times, 17 Aug. 2026 The film, written and directed by David Robert Mitchell, stars McGregor and Hathaway as suburban parents in 1982 whose neighborhood is mysteriously transported to prehistoric times. — ABC News, 16 Aug. 2026 See All Example Sentences for mysteriously

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of mysteriously was in the 15th century

Rhymes for mysteriously

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Browse Nearby Words

mysterious
mysteriously
mysterious plant
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Cite this Entry

“Mysteriously.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mysteriously. Accessed 2 Sep. 2026.

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