Synonyms: incomprehensible, uncomprehensible
Definition: difficult to understand
Usage: the most incomprehensible thing about the universe is that it is comprehensible- A. Einstein
Definition: marked by difficulty of style or expression
Usage: much that was dark is now quite clear to me; those who do not appreciate Kafka's work say his style is obscure
Similar words: enigmatic, enigmatical, puzzling
Definition: not clear to the understanding
Usage: I didn't grasp the meaning of that enigmatic comment until much later; prophetic texts so enigmatic that their meaning has been disputed for centuries
Similar words: unfathomable
Definition: impossible to come to understand
Similar words: impenetrable
Definition: impossible to understand
Usage: impenetrable jargon
Similar words: indecipherable
Definition: impossible to determine the meaning of
Usage: an indecipherable message
Definition: not caught with the senses or the mind
Usage: words lost in the din
Similar words: opaque, unintelligible
Definition: not clearly understood or expressed