Bulgarian-English translations for неразбираем

• abstract
  He was wholly abstracted by other objects.
  He abstracted out the square root function.
• crabbed
• fathomless
• impenetrable
  The procedure for accessing European money is fairly complicated and impenetrable. Процедурата за достъп до европейските средства е доста сложна и неразбираема.
  The fortress is impenetrable, so it cannot be taken.
  Business jargon makes this document impenetrable, I cant understand it.
• inapprehensible
• incomprehensible
  I still find the current wording incomprehensible. Все още смятам, че настоящата формулировка е неразбираема.