3
indefinable
3
indescribable(adjective, explanation)
3
magical
3
unsustainable(adjective, defended, verbal attack)
3
weird(adjective, unusual, strange, supernatural, curious)
2
abstruse(adjective, hard, strange, deep, tricky)
2
amazing
2
cabalistic(adjective, obscure, solid, dark, strange)
2
casual
2
curious
2
enigmatical(adjective, hard, delicate, solid, strange)
2
fantastic
2
incognizable
2
inexplainable(adjective, explanation, undefinable)
2
inextricable(adjective, obscure, mysterious, inscrutable)
2
insolvable
2
irregular(unusual, supernatural, unnatural, uncanny)
2
paradoxical(hard, delicate, complex, tricky, complicated)
2
remarkable
2
transcendental
11 years ago|6.1k views|share |citing 
APASmart Define. (2015). inexplicable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inexplicable/thesaurus/synonyms
ChicagoSmart Define. 2015. "inexplicable thesaurus" https://smartdefine.org/inexplicable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, inexplicable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inexplicable/thesaurus/synonyms>.
MLASmart Define. "inexplicable thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/inexplicable/thesaurus/synonyms>