'the instability' is correct and usable in written English.
You can use it when referring to a lack of stability or an unstable situation. For example: "The instability of the political situation has caused much unrest in the region."
Exact(60)
Happy with all the instability, the violence?
But the instability soon began".
But the instability is not over yet.
"The alternative, the instability, terrifies them.
I like the instability of the cubes.
We contributed to the instability of Pakistan.
Yet there were signs of the instability to come.
It's the instability that I think hurts children.
Thailand's looming royal succession may only add to the instability.
Let's have a boulder to accentuate the instability,"' Balmond recalls.
"Our only worry is the instability and power vacuum".
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com