40 entries under noun topic. ×

6
riddles
5
puzzles
5
mysteries(secrets, unknowns)
3
conundrums
3
posers
3
problems
2
ciphers
2
brainteasers
2
charades
1
oracles
1
paradoxes
1
rebuses
1
runes
1
secrets
1
subtleties
1
thrillers
1
whodunits
0
adages
0
chillers
0
codes
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APASmart Define. (2015). enigmas thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/enigmas/thesaurus/synonyms
ChicagoSmart Define. 2015. "enigmas thesaurus" https://smartdefine.org/enigmas/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, enigmas thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/enigmas/thesaurus/synonyms>.
MLASmart Define. "enigmas thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/enigmas/thesaurus/synonyms>