66 entries under mysterious topic. ×

5
unintelligible(adjective, obscure, strange, uncertain, vague)
4
esoteric(adjective, hard, evil, obscure, heavy)
3
deep(adjective, hard, evil, obscure, delicate)
3
mystic(adjective, knowledge, evil, obscure, strange)
3
oracular(adjective, dark, strange, uncertain)
2
cabalistic(adjective, knowledge, evil, obscure, dark)
2
hidden(adjective, hard, evil, obscure, difficult)
2
mystical(adjective, hard, knowledge, evil, obscure)
2
sphinxlike(dark, strange, uncertain, inexplicable)
1
Delphian(adjective, evil, obscure, dark, uncertain)
1
concealed(adjective, evil, obscure, dark, strange)
1
elusive(adjective, evasive)
1
secret(adjective, evil, obscure, dark, strange)
1
sibylline(dark, uncertain, unfathomable, impenetrable)
1
stumping(verb, dark, uncertain)
0
anagogic(adjective, evil, deep, hidden)
0
bad(adjective, evil, threatening, nefarious)
0
corrupt(adjective, evil, sick, threatening)
0
damnable(adjective, evil, threatening, nefarious)
0
dour(adjective, evil, threatening, nefarious)
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APASmart Define. (2015). puzzling thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/puzzling/thesaurus/synonyms
ChicagoSmart Define. 2015. "puzzling thesaurus" https://smartdefine.org/puzzling/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, puzzling thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/puzzling/thesaurus/synonyms>.
MLASmart Define. "puzzling thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/puzzling/thesaurus/synonyms>