to  make  a clean breast of  something
make
meɪk
meik
a
ə
ē
clean
kli:n
klin
breast
brɛst
brest
of
ɒv
ov
something

Definition & Meaning of "make a clean breast of something "in English

to make a clean breast of something
01

to make a confession about what one has done wrong or lied about, especially to gain relief 

Idiom
Informal

What is the origin of the idiom "make a clean breast of something" and when to use it?

The idiom "make a clean breast of something" originated from the imagery of a nursing mother baring her breast to feed her child. It evolved to mean openly and honestly confessing or revealing something, particularly a secret or hidden information. The phrase is only used to emphasize the act of unburdening oneself and sharing the truth without reservation or concealment. In other words, it conveys a sense of vulnerability and a desire to come clean, relieving oneself of guilt.

Examples
After years of guilt, he finally made a clean breast of his involvement in the crime, providing the authorities with all the details. 
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