Synonyms|22Antonyms|41|Broader|1Narrower|0Related|59
4
unaccountable(adjective, explicable, explainable)
3
inexplicable(adjective, explanation)
2
insoluble(adjective, unable, unfathomable, answered, indescribable)
1
impenetrable
1
incomprehensible
1
unfathomable(adjective, bottomless)
0
unexplainable
0
absurd
0
difficult
0
fantastic
0
hopeless
0
impossible
0
inconceivable
0
indecipherable
0
indescribable
0
inextricable
0
inscrutable
0
insolvable
0
insuperable
0
knotty
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APASmart Define. (2016). explainable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/explainable/thesaurus/antonyms
ChicagoSmart Define. 2016. "explainable thesaurus" https://smartdefine.org/explainable/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2016, explainable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/explainable/thesaurus/antonyms>.
MLASmart Define. "explainable thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/explainable/thesaurus/antonyms>