4
incomprehensible(adjective, singular, uncommon, unintelligibility)
3
impenetrable(adjective, unintelligibility)
3
inscrutable(adjective, unintelligibility)
3
unintelligible(adjective, unintelligibility)
2
impalpable
2
inconceivable
1
beyond wildest dreams(expression, idiom, singular, uncommon)
1
brainless
1
drowning
1
exceptional(singular, uncommon)
1
indescribable(singular, uncommon)
1
ineffable(singular, uncommon)
1
inexplicable(adjective, unintelligibility)
1
intangible
1
not understandable(expression, singular, uncommon)
1
unaccountable(adjective, unintelligibility)
1
unfathomable(adjective, unintelligibility)
1
unimaginable
1
unknowable(singular, unintelligibility)
1
unordinary(singular, uncommon)
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APASmart Define. (2013). inapprehensible thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/inapprehensible/thesaurus/synonyms
ChicagoSmart Define. 2013. "inapprehensible thesaurus" https://smartdefine.org/inapprehensible/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, inapprehensible thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/inapprehensible/thesaurus/synonyms>.
MLASmart Define. "inapprehensible thesaurus" 19 May 2013. Web. 20 September 2026. <https://smartdefine.org/inapprehensible/thesaurus/synonyms>