/ ʌnˈduːɪŋ; NAmE / noun
[ sing. ] the reason why sb fails at sth or is unsuccessful in life
SYN downfall :
That one mistake was his undoing.
/ ʌnˈduːɪŋ; NAmE / noun
[ sing. ] the reason why sb fails at sth or is unsuccessful in life
SYN downfall :
That one mistake was his undoing.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005