34 entries under adjective topic. ×

5
impenetrable
5
unfathomable(hard, difficult, solid, deep)
3
mysterious
3
unintelligible(solid, deep, dense, incoherent)
2
incomprehensible
1
baffling(solid, deep, dense, unfathomable)
1
dense
1
enigmatic
1
enigmatical(solid, dense, unfathomable, unintelligible)
1
impassable
1
inexplicable
1
inscrutable
1
invisible(hidden, unable)
1
obscure(solid, deep, dense, incoherent)
1
thick
0
arduous
0
awkward
0
broad
0
complicated
0
cryptic
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APASmart Define. (2015). ungraspable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ungraspable/thesaurus/synonyms
ChicagoSmart Define. 2015. "ungraspable thesaurus" https://smartdefine.org/ungraspable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, ungraspable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ungraspable/thesaurus/synonyms>.
MLASmart Define. "ungraspable thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/ungraspable/thesaurus/synonyms>