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
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California authorities have announced an arrest in a 35-year-old cold case in which a mother mysteriously vanished from her home, leaving behind her young child and all of her belongings. Julia Bonavita, FOXNews.com, 29 Apr. 2026 In the days immediately before two University of South Florida doctoral students mysteriously vanished, Hisham Abugharbieh asked ChatGPT a series of queries. Dan Sullivan, The Orlando Sentinel, 27 Apr. 2026 When George shows up dead in the pasture one day, his hands mysteriously coated in blue and green dye, the sheep are naturally grief-stricken. Frank Scheck, HollywoodReporter, 27 Apr. 2026 Mass unemployment is mysteriously MIA. Jim Edwards, Fortune, 24 Apr. 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 2 May. 2026.

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