127 entries under obscure topic. ×

4
cloaked(verb, adjective, secret, unknown)
4
hermetic(adjective, close, quiet, mysterious)
4
impenetrable(adjective, difficult, solid, dark)
4
inscrutable(adjective, solid, strange, sophisticated)
4
secretive(adjective, quiet, plain, strange)
3
anonymous(adjective, strange, unknown, indefinite)
3
incomprehensible(adjective, solid, heavy, strange)
3
inexplicable(adjective, hard, solid, strange)
3
transcendental(dark, strange, mysterious, supernatural)
3
unexpressed(adjective, dark, immense, indirect)
3
unintelligible(adjective, hard, solid, dark)
2
abstract(hard, tricky, complicated, puzzling)
2
ambiguous(adjective, cover, dark, doubtful)
2
cover(verb, ulterior)
2
guarded(cover, dark, secret, equivocal)
2
implied(adjective, cover, dark, likely)
2
magic(deep, mysterious, supernatural, spiritual)
2
puzzling(adjective, hard, evil, difficult)
2
reticent(adjective, quiet, humble, distant)
2
supernatural(adjective, dark, mysterious, spiritual)
11 years ago|29k views|share |citing 
APASmart Define. (2015). hidden thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/hidden/thesaurus/synonyms
ChicagoSmart Define. 2015. "hidden thesaurus" https://smartdefine.org/hidden/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, hidden thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/hidden/thesaurus/synonyms>.
MLASmart Define. "hidden thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/hidden/thesaurus/synonyms>