uncomprehensible,
incomprehensible difficult to understand; "the most incomprehensible thing about the universe is that it is comprehensible"- A. Einstein
clear readily apparent to the mind; "a clear and present danger"; "a clear explanation"; "a clear case of murder"; "a clear indication that she was angry"; "gave us a clear idea of human nature"
explicable capable of being explicated or accounted for; "explicable behavior"
intelligible well articulated or enunciated, and loud enough to be heard distinctly; "intelligible pronunciation"
