Meaning of (A) CATCH-22 in English

(A) CATCH-22

(a) catch-22 | a catch-22 situation

( informal ) a difficult situation from which there is no escape because you need to do one thing before doing a second, and you cannot do the second thing before doing the first :

I can't get a job because I haven't got anywhere to live but I can't afford a place to live until I get a job—it's a catch-22 situation.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.