12
enigma(noun, mystery)
11
secret(noun, mystery)
7
mystery
5
brain-teaser(noun, mystery)
5
riddle(noun, mystery)
3
closed book(noun, mystery)
3
whodunit(noun, mystery)
2
cabala
2
esoterica
2
obscurity
1
confidence
1
mystery story(noun, mystery)
1
occult
1
secrets
0
abstruseness
0
ambiguousness
0
cabalism
0
cabbala
0
cabbalism
0
catholicon
<123>
10 years ago|2.5k views|share |citing 
APASmart Define. (2016). arcanum thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/arcanum/thesaurus/synonyms
ChicagoSmart Define. 2016. "arcanum thesaurus" https://smartdefine.org/arcanum/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, arcanum thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/arcanum/thesaurus/synonyms>.
MLASmart Define. "arcanum thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/arcanum/thesaurus/synonyms>