incomprehensible
1. [ adjective ] incapable of being explained or accounted for
Synonyms: inexplicable
Examples:

"inexplicable errors" "left the house at three in the morning for inexplicable reasons"

Related terms: explicable cryptic paradoxical unexplained unaccountable insoluble unfathomable
2. [ adjective ] difficult to understand
Synonyms: uncomprehensible
Examples:

"the most incomprehensible thing about the universe is that it is comprehensible"- A. Einstein

Related terms: comprehensible enigmatic dark lost impenetrable indecipherable unfathomable opaque inexplicable unintelligible unfathomable unclear
Similar spelling:   incomprehensive
  incompressible
  incomprehension
  incomprehensibility
  incommensurable
  incompressibility
  incommensurate