Synonyms|59Antonyms|2|Broader|0Narrower|0Related|32

3 entries under impenetrable topic. ×

1
Delphic(solid, dense, unfathomable, unintelligible)
1
baffling(adjective, solid, deep, dense, unfathomable)
1
sibylline(solid, dense, unfathomable, unintelligible)
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APASmart Define. (2015). ungraspable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/ungraspable/thesaurus/synonyms
ChicagoSmart Define. 2015. "ungraspable thesaurus" https://smartdefine.org/ungraspable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, ungraspable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/ungraspable/thesaurus/synonyms>.
MLASmart Define. "ungraspable thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/ungraspable/thesaurus/synonyms>