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

65 entries under obscure topic. ×

1
unrevealed(dark, superior, mysterious, supernatural)
1
unusual(dark, superior, strange, mysterious)
0
extramundane(dark, superior, supernatural)
0
extrasensory(dark, superior, supernatural)
0
unearthly(dark, mysterious, supernatural, heavenly)
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APASmart Define. (2015). impenetrable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/impenetrable/thesaurus/synonyms
ChicagoSmart Define. 2015. "impenetrable thesaurus" https://smartdefine.org/impenetrable/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, impenetrable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/impenetrable/thesaurus/synonyms>.
MLASmart Define. "impenetrable thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/impenetrable/thesaurus/synonyms>