39 entries under puzzle topic. ×

9
chiller(noun, name, difficulty, anxiety, confusion)
8
mystery(noun, difficulty, question, secret)
5
whodunit(noun, question, secret, subtlety)
2
sixty-four-thousand-dollar question(noun, expression, question, secret)
2
tough nut to crack(noun, expression, idiom, question, secret)
1
closed book(noun, expression, question, secret)
1
abstruseness(noun, question, secret, subtlety)
1
brainteaser(noun, question, secret, subtlety)
1
braintwister(noun, question, secret, subtlety)
1
charade(noun, question, secret, subtlety)
1
cliffhanger(noun, difficulty, question, secret)
1
crux(noun, difficulty, question, secret)
1
cryptogram(noun, difficulty, question, secret)
1
difficulty(noun, question, secret, subtlety)
1
grabber(noun, difficulty, confusion, doubt, question)
1
inscrutability(noun, question, secret, subtlety)
1
inscrutableness(noun, question, secret, subtlety)
1
mindboggler(noun, question, secret, subtlety)
1
mystification(noun, question, secret, obscurity)
1
occult(noun, question, secret, subtlety)
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APASmart Define. (2015). thriller thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/thriller/thesaurus/synonyms
ChicagoSmart Define. 2015. "thriller thesaurus" https://smartdefine.org/thriller/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, thriller thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/thriller/thesaurus/synonyms>.
MLASmart Define. "thriller thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/thriller/thesaurus/synonyms>