adjective
1.
lying above or beyond the reach of the human mind
the incomprehensible universe
Synonyms: impenetrable, incognizable, uncomprehensible, unfathomable, ungraspable, unintelligible, unknowable
Related Word: inscrutable, mysterious, mystifying, unsearchable; cryptic, enigmatic, obscure, unclear; imperceptible, indistinguishable
Contrasted words: cognizable, fathomable, graspable, intelligible, knowable; clear, lucid, plain, simple, straightforward; rational, reasonable
Antonyms: comprehensible, understandable
2.
Synonyms: inconceivable 1, unimaginable, unknowable, ununderstandable
Antonyms: comprehensible, graspable