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mysteries

NOUN

puzzle, secret

Synonyms

STRONGEST

conundrum enigma problem question riddle secrecy subtlety thriller

STRONG

abstruseness charade chiller cliffhanger crux cryptogram difficulty grabber inscrutability mystification occult oracle perplexity poser puzzlement rebus rune sphinx stickler stumper teaser twister whodunit why

WEAK

brainteaser braintwister closed book inscrutableness mindboggler sixty-four-thousand-dollar question tough nut to crack

Antonyms

WEAK

known understanding

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

An ultraheavy particle may help explain one of the most puzzling mysteries in modern astrophysics: the origin of the most energetic particles ever detected.

From Science Daily • Jun. 9, 2026

The mysteries range far and wide over the U.K., from gritty streets to posh country homes, and 24 90-minute episodes are enough to keep you going all summer long.

From Los Angeles Times • Jun. 8, 2026

“They” and “them” have introduced new grammatical mysteries for the older students.

From The Wall Street Journal • May 30, 2026

The mysteries of this life can be more agonizing than any grief.

From Salon • May 25, 2026

Nancy Drew and her friends loved to solve mysteries.

From "Pony Problems: Nancy Drew and the Clue Crew, #3" by Carolyn Keene