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.
Pennywise — the iconic, malevolent shapeshifting entity that often takes the form of a dancing clown and was first introduced in Stephen King's 1986 novel It — suddenly and mysteriously appeared on five different continents on Tuesday. Ryan Coleman, Entertainment Weekly, 23 Oct. 2025 Bernadette Fox, a brilliant but agoraphobic architect, mysteriously disappears, sending her 15-year-old daughter, Bee, on a determined search. Kris Slugg, San Diego Union-Tribune, 19 Oct. 2025 In 2018, the family’s longtime housekeeper, Gloria Satterfield, mysteriously fell to her death at the Murdaughs' home. Julia Bonavita, FOXNews.com, 18 Oct. 2025 Greg Rice, 46, mysteriously disappeared from his Myrtle Beach home in 2020. Mason Leath, ABC News, 17 Oct. 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 23 Oct. 2025.

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