as in enigma
something hard to understand or explain why my sister married that guy is still a mystery to my parents

Synonyms & Similar Words

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Synonym Chooser

How does the noun mystery differ from other similar words?

Some common synonyms of mystery are enigma, problem, puzzle, and riddle. While all these words mean "something which baffles or perplexes," mystery applies to what cannot be fully understood by reason or less strictly to whatever resists or defies explanation.

the mystery of the stone monoliths

Where would enigma be a reasonable alternative to mystery?

While the synonyms enigma and mystery are close in meaning, enigma applies to utterance or behavior that is very difficult to interpret.

his suicide remains an enigma

When might problem be a better fit than mystery?

The words problem and mystery can be used in similar contexts, but problem applies to a question or difficulty calling for a solution or causing concern.

problems created by high technology

When is puzzle a more appropriate choice than mystery?

The synonyms puzzle and mystery are sometimes interchangeable, but puzzle applies to an enigma or problem that challenges ingenuity for its solution.

the thief's motives were a puzzle for the police

When is it sensible to use riddle instead of mystery?

Although the words riddle and mystery have much in common, riddle suggests an enigma or problem involving paradox or apparent contradiction.

the riddle of the reclusive pop star

Example Sentences

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.
Recent Examples of mystery Sixth, for multiple reasons, this is a mystery hire. Tom Krasovic, San Diego Union-Tribune, 7 Nov. 2025 The plot revolves around the original gang fighting new monsters and unraveling a paranormal mystery terrorizing their town. Nick Romano, Entertainment Weekly, 6 Nov. 2025 Throughout the hour-long premiere, Megan Gallagher’s adaptation of Andrea Mara’s 2021 novel balances the tragic urgency of a missing-kid mystery with the soapy indulgences of a trash-TV thriller. Ben Travers, IndieWire, 6 Nov. 2025 The others are just underwritten pawns in a contrived mystery. Judy Berman, Time, 6 Nov. 2025 See All Example Sentences for mystery
Recent Examples of Synonyms for mystery
Noun
  • Further enigmas can be found elsewhere on public lands, including within state parks, recreational areas, and more.
    Mike Bezemek, Outside, 29 Oct. 2025
  • Soho House has always existed as something of an enigma to me.
    Rachel DeSantis, PEOPLE, 29 Oct. 2025
Noun
  • How long much of the 10,000-km (6,000-mile) journey is undertaken by the freeloading fish, which only live for about two years, is still a puzzle, Meynecke said.
    CNN Money, CNN Money, 8 Nov. 2025
  • Check out the all new PLAY hub with puzzles, games and more!
    Roger Naylor, AZCentral.com, 8 Nov. 2025
Noun
  • Manić helped Packer solve a big part of the riddle.
    ArsTechnica, ArsTechnica, 7 Nov. 2025
  • In my experience, one viewing at the New York Film Festival was not enough to parse the film’s gorgeous riddles and meditation on cinema as a dream machine.
    Ryan Lattanzio, IndieWire, 6 Nov. 2025
Noun
  • And to get to play these characters that are layered and complex and multidimensional is really fun — anything where there's a public and a private life, and a secret, and different elements at play, and having to keep different balls in the air is really fulfilling and fun.
    Lauren Huff, Entertainment Weekly, 7 Nov. 2025
  • The names of the betrayersare a secret carefully guarded by Cacique and the group called Caribe, a loose grouping of about 3,000 Venezuelan military personnel who have deserted the regime’s ranks and from abroad are trying to coordinate to overthrow Maduro.
    Antonio Maria Delgado, Miami Herald, 7 Nov. 2025
Noun
  • Winning the lottery is supposed to fix all of your problems, but there are some debts that are too great for the big ticket to cover.
    Fort Worth Star-Telegram, Fort Worth Star-Telegram, 11 Nov. 2025
  • The delicate appearance may surprise you since these blooms resist deer, have few pest and disease problems, and can grow in clay soil.
    Karen Brewer Grossman, Southern Living, 10 Nov. 2025

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Cite this Entry

“Mystery.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mystery. Accessed 12 Nov. 2025.

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