Meaning of “undoing” in the English Dictionary

american-english dictionary

(Definition of “undoing” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"undoing" in American English

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undoingnoun [ U ]

us /ʌnˈdu·ɪŋ/

the cause of a person’s failure or loss of power or wealth:

His failure to delegate authority and his arrogance led to his undoing.

(Definition of “undoing” from the Cambridge Academic Content Dictionary © Cambridge University Press)