1. Mystérieux.
2. Incompréhensible.
ETYM Latin inexplicabilis: cf. French inexplicable. Related to In- not, and Explicable.
Incapable of being explained or accounted for; SYN. incomprehensible.
1. Free from control or responsibility.
2. Not to be accounted for or explained; SYN. unexplainable.
Not explainable, that cannot be explained