deteriorate in Polish
deteriorate in Polish
pogarszać
(transitive) To make worse; to make inferior in quality or value; to impair.
pogorszyć
(transitive) To make worse; to make inferior in quality or value; to impair.
pogorszyć się
(intransitive) To grow worse; to be impaired in quality; to degenerate.
pogarszać się
(intransitive) To grow worse; to be impaired in quality; to degenerate.