to  draw  a line under  something
draw
drɔ:
draw
a
ə
ē
line
laɪn
lain
under
ʌndə
andē
something
sʌmθɪng
samthing

Definition & Meaning of "draw a line under something "in English

to draw a line under something
01

to decide to put an end to something by dealing with it 

Idiom
Informal

What is the origin of the idiom "draw a line under something" and when to use it?

The idiom "draw a line under something" likely originates from the act of drawing a line to mark the end of an entry or section in an account book or ledger. In a broader sense, it means to conclude, finalize, or put an end to a particular issue or situation. It suggests that after addressing or acknowledging a problem, one should move forward and not dwell on it any longer.

Examples
After the heated argument, the family decided to draw a line under the disagreement and focus on reconciling. 
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