102 entries under adjective topic. ×

21
inexplicable(obscure, strange, explain, explanation)
14
unaccountable(obscure, difficult, strange, explain)
13
mysterious(unfathomable, enigmatic, inexplicable, unaccountable)
12
incomprehensible(obscure, strange, odd, mysterious)
12
inscrutable(strange, blank, hidden, unfathomable)
7
strange(unfathomable, inexplicable, puzzling, unaccountable)
6
unintelligible(obscure, strange, odd, hidden)
5
impenetrable(strange, hidden, unfathomable, incomprehensible)
5
unfathomable(obscure, strange, odd, mysterious)
4
baffling(strange, unfathomable, inexplicable, puzzling)
4
puzzling(strange, unfathomable, inexplicable)
4
enigmatic(obscure, strange, odd, mysterious)
4
odd(informal, strange, unfathomable, inexplicable)
4
peculiar(strange, unfathomable, inexplicable, puzzling)
4
supernatural
3
miraculous
3
mystic(difficult, strange, hidden, unfathomable)
3
mystifying
3
occult
3
unexplained
11 years ago|3.7k views|share |citing 
APASmart Define. (2015). unexplainable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unexplainable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unexplainable thesaurus" https://smartdefine.org/unexplainable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unexplainable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unexplainable/thesaurus/synonyms>.
MLASmart Define. "unexplainable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/unexplainable/thesaurus/synonyms>