[adjective] - impossible or extremely difficult to understandThese accounts are utterly incomprehensible. Can you explain them to me?It's incomprehensible to me why he would want to kill himself.Her northern accent is incomprehensible to the majority of southerners.
INCOMPREHENSIBLE
Meaning of INCOMPREHENSIBLE in English
Cambridge English vocab. Кембриджский английский словарь. 2012