Synonyms of uncomprehensible

Adjective

1. incomprehensible (vs. comprehensible), uncomprehensible, dark, obscure, enigmatic, enigmatical, puzzling, unfathomable, impenetrable, indecipherable, lost, missed, opaque, unintelligible, inexplicable#1, incomprehensible, unclear, unintelligible

usage: difficult to understand; "the most incomprehensible thing about the universe is that it is comprehensible"- A. Einstein