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.
• But by the end of the episode, a mysterious figure on a ship looms over the two.
  — Brendan Morrow, The Week, 2 Sep. 2022
• Apart is on its way — and has quite the mysterious cover to match.
  — Kimberlee Speakman, People.com, 13 Mar. 2025
• Far more mysterious is what is holding back the rest of the workforce.
  — Gwynn Guilford, WSJ, 14 Aug. 2022
• In the middle of his set, though, a mysterious guest appeared.
  — Alphonse Pierre, Pitchfork, 8 Sep. 2023
• What makes the birth mysterious is that the tank is home to two female sharks who haven't been in contact with a male in over three years.
  — Aliza Chasan, CBS News, 26 Jan. 2025
• Things take a turn for the worse when a mysterious hermit who haunts the forest invades their home.
  — Steven Vargas, Los Angeles Times, 27 Sep. 2023
• By the time people reach Mars, the weather will be less mysterious.
  — Joe Pappalardo, Popular Mechanics, 8 May 2023
• The spirit of the Smokies was far more mysterious than checking sights and scenic drives off a list.
  — Emily Pennington, Outside Online, 2 Aug. 2022
• Get ready to be spooked by The Stranger—a mysterious, anonymous character who will leave you on the edge of your seat.
  — Janaya Wecker, Town & Country, 1 Sep. 2022
• Back then, the APS was this mysterious thing that occupied his time and his mind.
  — Byadrian Cho, science.org, 4 May 2023
• Inge didn’t publish the words of this last, mysterious farewell.
  — Jud Newborn, Smithsonian Magazine, 17 Feb. 2023
• Go Dark Don't be afraid to add bits of gothic drama to bring a moody, mysterious sense to your home.
  — Maggie Gillette, Better Homes & Gardens, 13 Mar. 2025
• Spells, a race through time, and a battle to stop mysterious forces follow.
  — Naman Ramachandran, Variety, 28 July 2023
• But when Turhan, 34, asked for the name of this mysterious figure, his contacts got cagey.
  — New York Times, 18 Apr. 2022
• Their work is a search for meaning—an attempt to make sense of mysterious signs.
  — Nicolás Medina Mora, The Atlantic, 13 Mar. 2025
• Their work is a search for meaning—an attempt to make sense of mysterious signs.
  — Nicolás Medina Mora, The Atlantic, 13 Mar. 2025
• The life of an elite PGA Tour caddie has always been somewhat mysterious to me.
  — Scott Fowler, Charlotte Observer, 9 May 2024
• The true crime film follows the mysterious death of a young mother and her son's kidnapping.
  — Emy Lacroix, Peoplemag, 29 Sep. 2022
• The true-crime film follows the mysterious death of a young mother and her son's kidnapping.
  — Emy Lacroix, People.com, 4 Oct. 2024
• And the Grammys have always been mysterious and hard to predict.
  — Paul Grein, Billboard, 16 June 2022
• Outside its grand gates, the Agojie are mysterious, revered and feared.
  — Karen M. Peterson, Variety, 12 Jan. 2023
• So, what is best for you in this mysterious world of peptides, enzymes, and ceramides?
  — Grooming Playbook, The Salt Lake Tribune, 1 Apr. 2022
• Despite having been married to the Queen for more than 70 years, Prince Philip was rather mysterious.
  — Ruth Kinane, Peoplemag, 3 Nov. 2022
• She's just been visited by a mysterious mate named Donnie, who claims to be a friend of Harry's.
  — Matt Cabral, EW.com, 20 Apr. 2025
• In photographs of mysterious origin floating around her fan accounts, the Brat singer appears to be wearing the tee with a few glasses in front of her.
  — Sam Manzella, Them., 1 May 2025