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.
An unusual theft is under investigation at one of western North Carolina’s oldest homes, after a trove of 1800s firearms mysteriously vanished. Mark Price, Charlotte Observer, 14 May 2026 The Hondius was now in a different kind of storm—an ordeal reminiscent of the early days of the COVID-19 pandemic, with passengers mysteriously falling ill, health workers wearing hazmat suits, and governments imposing quarantines. Akash Kapur, New Yorker, 12 May 2026 However, UTe2 first loses its superconducting state at magnetic fields of roughly 10 Tesla (more than three times stronger than those used in most MRI scanners), only to mysteriously regain zero resistance again under vastly stronger magnetic fields between 40 and 70 Tesla. Georgina Jedikovska, Interesting Engineering, 8 May 2026 While on holiday at a Chilean seaside resort with his girlfriend Ingrid (Pascal), a fellow tourist vanishes mysteriously. Anna Marie De La Fuente, Variety, 4 May 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

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Cite this Entry

“Mysteriously.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mysteriously. Accessed 15 May. 2026.

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