How to Use mysterious in a Sentence

mysterious

adjective
  • A mysterious illness has been spreading through the city.
  • We heard a mysterious noise outside our tent.
  • There's something mysterious about that old woman.
  • Her behavior was very mysterious.
  • He died under mysterious circumstances.
  • This is the most mysterious part of this for now.
    — Los Angeles Times, 10 Mar. 2026
  • What would help is not mysterious, even if the medicine is.
    — Liz Koch, STAT, 6 Apr. 2026
  • Why is there a mysterious ‘cold blob’ in the ocean?
    — Alexandra Banner, CNN Money, 12 June 2026
  • Apart is on its way — and has quite the mysterious cover to match.
    — Kimberlee Speakman, People.com, 13 Mar. 2025
  • But by the end of the episode, a mysterious figure on a ship looms over the two.
    — Brendan Morrow, The Week, 2 Sep. 2022
  • As for the cone, its origins are a bit more mysterious.
    — Barry Pintar, CBS News, 6 Apr. 2026
  • Half of those people come back to life with mysterious gifts.
    — Clare Mulroy, USA Today, 11 May 2026
  • What if some mysterious force just happened to knock it off course, though?
    — Brian Truitt, USA TODAY, 5 Feb. 2022
  • Notes of leather and incense give it a mysterious edge.
    — Ariel Wodarcyk, InStyle, 12 June 2026
  • Life is more mysterious than that.
    — Elsa Keslassy, Variety, 20 Sep. 2025
  • Inge didn’t publish the words of this last, mysterious farewell.
    — Jud Newborn, Smithsonian Magazine, 17 Feb. 2023
  • The sci-fi thriller follows a man wakes up trapped in a mysterious hotel room.
    — Justin Kroll, Deadline, 29 Sep. 2025
  • Far more mysterious is what is holding back the rest of the workforce.
    — Gwynn Guilford, WSJ, 14 Aug. 2022
  • Their work is a search for meaning—an attempt to make sense of mysterious signs.
    — Nicolás Medina Mora, The Atlantic, 13 Mar. 2025
  • The first of these came in the form of the mysterious area at the back of their property.
    — Jack Beresford, MSNBC Newsweek, 6 Oct. 2025
  • Night is so well suited to this mysterious wonder that is birth.
    — Literary Hub, 19 June 2026
  • Spells, a race through time, and a battle to stop mysterious forces follow.
    — Naman Ramachandran, Variety, 28 July 2023
  • The truth is, presence isn’t mysterious at all.
    — Daniel Coyle, Big Think, 3 Feb. 2026
  • Drake, of course, has chosen the mysterious route.
    — Jeff Ihaza, Rolling Stone, 23 Sep. 2025
  • Black holes are among the most mysterious objects in the cosmos.
    — Kaif Shaikh, Interesting Engineering, 29 June 2026
  • But God works in mysterious ways.
    — Devon Henderson, New York Times, 8 Mar. 2026
  • For all the show’s famous names, there are plenty of mysterious strangers.
    — New York Times, 28 Dec. 2021
  • Now, researchers have found that these proteins are in those mysterious cells.
    — Veronique Greenwood, Quanta Magazine, 8 Sep. 2025
  • In the middle of his set, though, a mysterious guest appeared.
    — Alphonse Pierre, Pitchfork, 8 Sep. 2023
  • The two must learn to work together to solve the mysterious murder in the small town.
    — Jordan Moreau, Variety, 4 Mar. 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'mysterious.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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