91 entries under dark topic. ×

2
smoky(adjective, gloomy, dirty, dreary)
2
supernatural(adjective, obscure, mysterious, spiritual)
2
unknown(obscure, superior, strange, mysterious)
1
abnormal(obscure, superior, mysterious, supernatural)
1
celestial(obscure, superior, mysterious, supernatural)
1
concealed(obscure, superior, strange, mysterious)
1
darkened(gloomy, dense, cloudy, misty)
1
fabulous(obscure, superior, mysterious, supernatural)
1
fairy(obscure, superior, mysterious, supernatural)
1
foggy(gloomy, dense, cloudy, misty)
1
ghostly(obscure, superior, mysterious, supernatural)
1
heavenly(obscure, superior, mysterious, supernatural)
1
legendary(obscure, superior, mysterious, supernatural)
1
metaphysical(obscure, mysterious, supernatural, heavenly)
1
miraculous(obscure, superior, mysterious, supernatural)
1
muddy(adjective, gloomy, dense, cloudy)
1
mythical(obscure, superior, mysterious, supernatural)
1
mythological(obscure, superior, mysterious, supernatural)
1
nubilous(gloomy, dirty, dreary, dense)
1
paranormal(obscure, mysterious, supernatural, heavenly)
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APASmart Define. (2015). impenetrable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/impenetrable/thesaurus/synonyms
ChicagoSmart Define. 2015. "impenetrable thesaurus" https://smartdefine.org/impenetrable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, impenetrable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/impenetrable/thesaurus/synonyms>.
MLASmart Define. "impenetrable thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/impenetrable/thesaurus/synonyms>