Meaning of the word "go south" in English

What does "go south" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

go south

US /ɡoʊ saʊθ/
UK /ɡoʊ saʊθ/
"go south" picture

Idiom

1.

to deteriorate, fail, or go wrong

Example:
Their business started to go south after the economic downturn.
The plan seemed good at first, but then everything started to go south.
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