upsurge
/ˈʌpˌsɜːrdʒ/
noun
- A sudden and large increase in something, such as activity, emotion, or quantity.
- An upsurge in violence forced the government to declare a state of emergency.
- The country saw an upsurge of national pride after winning the championship.
- There has been an upsurge in online shopping since the pandemic.
verb
- To increase suddenly and strongly.
- Interest in renewable energy has upsurged in recent years.
- Anger upsurged in him when he heard the news.
- The river upsurged after the heavy rains.