mystery, problem, enigma, riddle, puzzle 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. problem applies to a question or difficulty calling for a solution or causing concern.

Understanding the Context

MYSTERY definition: 1. something strange or not known that has not yet been explained or understood: 2. a book, film…. Learn more.

Key Insights

mystery - Traces back to Greek mustikos, "secret," and musterion, "secret rites"; the lesser-known meaning of mystery as "handicraft; art" is part of the phrase "mystery play." Mystery novels are often called “whodunnits” because they turn the reader into a detective trying to figure out the who, what, when, and how of a particular crime. Mystery! is an anthology television series produced by WGBH Boston for PBS in the United States. The series was created as a mystery, police and crime drama spin-off of the PBS show Masterpiece Theatre. Mystery Science offers open-and-go lessons that inspire kids to love science.

Final Thoughts

The hook, visuals, and activity have all been prepared for you. Less prep, more learning. These unsolved cases, like the JonBenét Ramsey mystery and the murders of Jack the Ripper, have rocked our history books for the better part of a century. All of these cases are baffling,... Calling all amateur detectives! The best mystery books will grab your attention and keep you hooked until the very last page.

35 Best Mystery Books to Read in 2025 — Clever Mystery Books The mystery surrounding/of her disappearance has never been solved. His success is something of a mystery. = His success is a bit of a mystery. The cause of the disease remains a mystery to scientists.