to  dig  one's own grave
dig
dɪg
dig
<i>one's</i>
wʌnz
vanz
own
əʊn
ewn
grave
greɪv
greiv
[dig] {one's} grave with {one's} own knife and fork

Definition & Meaning of "dig one's own grave"in English

to dig one's own grave
01

to do something that will lead to one's own failure 

to [dig] {one's} own grave definition and meaning
Disapproving
Idiom

What is the origin of the idiom "dig one's own grave" and when to use it?

The idiom "dig one's own grave" has its origins in the act of digging one's own burial plot. The phrase was originally used in a literal sense to describe someone who was digging their own grave, either as a form of punishment or as a result of their own actions. Over time, the phrase has taken on a more figurative meaning and is now used to describe someone who is doing something that will lead to their own downfall or ruin. The phrase is commonly used to warn someone that their actions or decisions could have serious negative consequences for themselves.

Examples
By ignoring customer complaints, the company dug its own grave. 
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