56 entries under adjective topic. ×

4
sibyllic
3
deep(meaning, abstract)
3
divinitory(foresight, prophetic)
3
esoteric(obscure, mysterious)
3
foreshadowing
3
inscrutable(solid, dark, uncertain, mysterious)
3
mysterious(solid, dark, uncertain, dense)
3
occult(dark, uncertain, mysterious, psychic)
3
prescient(psychic, clairvoyant, telekinetic, mystic)
3
visionary(psychic, clairvoyant, foresight, mystic)
2
arcane
2
impenetrable
2
incomprehensible(solid, dark, uncertain, mysterious)
2
mystic(solid, dense, psychic, clairvoyant)
2
mystifying
1
Delphian(dark, uncertain, mysterious, prophetic)
1
dense
1
inexplicable(solid, dark, uncertain, mysterious)
1
thick
0
doomful
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APASmart Define. (2015). sibylline thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sibylline/thesaurus/synonyms
ChicagoSmart Define. 2015. "sibylline thesaurus" https://smartdefine.org/sibylline/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, sibylline thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sibylline/thesaurus/synonyms>.
MLASmart Define. "sibylline thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/sibylline/thesaurus/synonyms>