Downturn (noun)

1. A period of economic decline or recession.
2. A sudden and dramatic change for the worse in a situation.

Origin:

Late 19th century: from the verb turn with the prefix down-.

Examples:

1. The country is in the midst of an economic downturn.
2. The stock market experienced a downturn.
3. The company was hit hard by the downturn in the economy.
4. The downturn in the housing market.
5. The downturn in the business cycle.