A steep descent or decline in something, especially used in a metaphorical sense.

A sudden and dramatic fall, often associated with an out-of-control situation.

अचानक और नाटकीय गिरावट

English Usage: After the scandal, the politician’s reputation experienced a nosedive.

Hindi Usage: घोटाले के बाद, राजनेता की प्रतिष्ठा अचानक गिर गई।

To plunge or dive steeply downward, physically or metaphorically.

To experience a sudden and severe decline.

अचानक और गंभीर गिरावट का अनुभव करना

English Usage: Our sales nosedived after the competitor launched a new product.

Hindi Usage: जब प्रतिद्वंद्वी ने एक नया उत्पाद लॉन्च किया, हमारी बिक्री अचानक गिर गई।