Unsolvable is a related term of enigmatical.
As adjectives the difference between unsolvable and enigmatical
is that unsolvable is not solvable while enigmatical is pertaining to an enigma.
unsolvable
English
Adjective
(
en adjective)
Not solvable.
Provably not solvable.
Synonyms
* insolvable
* difficult
Antonyms
* solvable
* easy
enigmatical
English
Alternative forms
* (archaic)
Adjective
(
en adjective)
Pertaining to an enigma.
Alternate of enigmatic.
Related terms
* enigmatically