ことごと悉kotogotoくkuことごと尽kotogotoくku
1.
In relation to a situation or outcome, it refers to encompassing everything without exception, suggesting that it applies universally or completely to the context being discussed.
2.
It describes the totality of something, often used to convey that all aspects or elements are included, particularly in negative or undesirable contexts.
Example:
トムはこれまで手をつけた仕事はことごとく成功した。