
Spiral up
Rapid Increase
Use 'spiral up' to describe something increasing quickly, often in a situation that's hard to control.

After the crisis, unemployment rates began to spiral up.
Negative Connotation
'Spiral up' sometimes implies a negative outcome or an unwelcome situation.

Violence in the region has started to spiral up again.
Metaphorical Use
The phrase can be used figuratively to describe situations, not only physical quantities.

Tensions between the two countries continue to spiral up.
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