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.
In Hunting Matthew Nichols, two decades after her brother and his friend mysteriously disappeared, Tara Nichols, a documentary filmmaker, sets out to solve their missing persons case. Rosy Cordero, Deadline, 4 June 2026 Clovis was mysteriously removed from streaming platforms early last month shortly after its own surprise release in late April. Garret K. Woodward, Rolling Stone, 4 June 2026 Aiyuk, a 2020 first-round pick and two-time 1,000-yard receiver, mysteriously veered off the NFL grid the past eight months without public comment on a career in serious limbo. Caelyn Pender, Mercury News, 3 June 2026 Groups of people have been caught mysteriously sneaking in and out of manholes around Brooklyn, stoking fear in locals as an investigation remains ongoing. Amethyst Martinez, USA Today, 3 June 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

Browse Nearby Words

Cite this Entry

“Mysteriously.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mysteriously. Accessed 6 Jun. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster