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 In addition, Lind played the young version of Amanda Clarke (Emily VanCamp) in a recurring role on the ABC mystery thriller Revenge from 2011-2015, and the recurring role of Ariel on the CBS medical drama Code Black from 2015-2018. Tim Lammers, Forbes.com, 3 July 2025 The series flashes between the two summers, as Cadence tries to solve the mystery of her amnesia and what has happened with her family’s various characters. Leigh Nordstrom, Footwear News, 2 July 2025 With the entire dataset open to the public, the team hopes the fresh eyes, as well as graduate and undergraduate astronomers, will uncover something new and unlock clues about cosmic mysteries like dark matter and the physics of the early universe. Jay Kakade june 22, New Atlas, 22 June 2025 But two new studies — which researchers say are among the biggest paleoanthropology papers of the year — detail how scientists were able to extract genetic material from the fossil and help unravel this biological mystery. Jackie Wattles, CNN Money, 21 June 2025 See All Example Sentences for mystery
Recent Examples of Synonyms for mystery
Noun
  • But to understand the album is to understand the man — or more precisely, the enigma of the man.
    arkansasonline.com, arkansasonline.com, 5 July 2025
  • The usual first response to the exasperating enigma is that size might make the difference.
    Lance Eliot, Forbes.com, 3 July 2025
Noun
  • Dogs can benefit from puzzle feeders, like toys from Outward Hound or Kong, or DIY versions.
    Jen Reeder, Forbes.com, 14 July 2025
  • Need help with today’s Connections: Sports Edition puzzle?
    Mark Cooper, New York Times, 12 July 2025
Noun
  • An exhaustive in-depth investigation by The Post — okay, fine, a few conversations with staffers in Utah’s program — didn’t reveal any concrete answers to this particular riddle.
    Luca Evans, Denver Post, 7 July 2025
  • One of the Milwaukee Bucks’ many offseason riddles centers on The Mayor himself—Bobby Portis.
    Brian Sampson, Forbes.com, 17 June 2025
Noun
  • Years later there is an update with the case that forces Azi to contend with her biggest secret.
    Matt Grobar, Deadline, 11 July 2025
  • See the finds in Greece Off the coast of Greece, the Antikythera shipwreck continues to reveal its secrets, with recent excavations uncovering ancient sculptures and pottery.
    Miami Herald, Miami Herald, 11 July 2025
Noun
  • Cassidy was released from Thorn Cross on June 11, and a day later, his father, Tommy, died following heart problems.
    Simon Hughes, New York Times, 11 July 2025
  • In the following years, the early flood warning system that Eastland advocated for – and was once considered state-of-the-art – started to suffer problems.
    Curt Devine, CNN Money, 11 July 2025

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Cite this Entry

“Mystery.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mystery. Accessed 19 Jul. 2025.

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