graspable Antonyms

abstruse inarticulate incomprehensible inexplicable inscrutable irresolvable mysterious obscure perplexing unintelligible unfathomable unexplainable uncomprehensible above one's head beyond comprehension all greek to someone inapprehensible fathomless advanced ambiguous arcane astonishing baffling bewildering bizarre cloudy complex complicated cryptic curious debatable difficult dubious beyond your ken