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.
The glow mysteriously faded within seconds. Mark Price, Miami Herald, 2 Sep. 2025 Don’t miss Conan O’Brien and A$AP Rocky in rare dramatic roles, as well as Delaney Quinn as Byrne’s mysteriously ill daughter, who can be heard but never seen onscreen. Jack Smart, People.com, 31 Aug. 2025 There are these incidents (the batteries mysteriously not making it to the music video set; Jamie falling off the ladder) that certainly feel like sabotage, but the film never fully shows its hand. Michael Cuby, Them., 27 Aug. 2025 Director and writer Zach Cregger‘s horror hit, about 17 school children from the same class who mysteriously all go missing in the middle of the night, has crossed $100 million at the domestic box office. Jordan Moreau, Variety, 22 Aug. 2025 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 9 Sep. 2025.

Last Updated: - Updated example sentences
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