Synonyms|713Antonyms|152|Broader|9Narrower|8Related|663

91 entries under dark topic. ×

1
phantom(obscure, superior, mysterious, supernatural)
1
phenomenal(obscure, superior, mysterious, supernatural)
1
preternatural(obscure, mysterious, supernatural, heavenly)
1
psychic(obscure, mysterious, supernatural, heavenly)
1
rare(obscure, superior, mysterious, supernatural)
1
spectral(obscure, superior, mysterious, supernatural)
1
sphinxlike(adjective, obscure, strange, odd)
1
superhuman(obscure, superior, mysterious, supernatural)
1
superior(obscure, mysterious, supernatural, heavenly)
1
supermundane(obscure, superior, mysterious, supernatural)
1
superordinary(obscure, superior, mysterious, supernatural)
1
superphysical(adjective, obscure, supernatural)
1
supersensible(adjective, obscure, superior, supernatural)
1
supranatural(obscure, superior, mysterious, supernatural)
1
transcendental(obscure, strange, mysterious, supernatural)
1
turbid(adjective, dull, set, solid)
1
uncanny(obscure, superior, strange, mysterious)
1
unnatural(obscure, superior, strange, mysterious)
1
unrevealed(obscure, superior, mysterious, supernatural)
1
unusual(obscure, superior, strange, mysterious)
For more, visit Impenetrable on Power Thesaurus
11 years ago|15k views|share |citing 
APASmart Define. (2015). impenetrable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/impenetrable/thesaurus/synonyms
ChicagoSmart Define. 2015. "impenetrable thesaurus" https://smartdefine.org/impenetrable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, impenetrable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/impenetrable/thesaurus/synonyms>.
MLASmart Define. "impenetrable thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/impenetrable/thesaurus/synonyms>