13 entries under expression topic. ×

2
sixty-four-thousand-dollar question(noun, question, secret, puzzle)
2
tough nut to crack(noun, idiom, question, secret)
1
adventure story
1
closed book(noun, question, secret, puzzle)
1
cloak and dagger(noun, idiom, anxiety, confusion)
1
work of fiction
0
confidential information(perplexity, abstruseness, inscrutableness)
0
crime novel
0
detective novel
0
heroic tale
0
magic number(perplexity, abstruseness, inscrutableness)
0
privileged information(perplexity, abstruseness, inscrutableness)
0
skeleton in cupboard(idiom, perplexity, abstruseness, inscrutableness)
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APASmart Define. (2015). thriller thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/thriller/thesaurus/synonyms
ChicagoSmart Define. 2015. "thriller thesaurus" https://smartdefine.org/thriller/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, thriller thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/thriller/thesaurus/synonyms>.
MLASmart Define. "thriller thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/thriller/thesaurus/synonyms>