noun
- a sudden increase or rise in something
- an upward movement of water or air
Usage: often used in oceanography or meteorology
verb
- to rise or surge upward
Examples
- There was an upswell of public support for the new policy.
- The upswell of emotion in the crowd was palpable.
- Ocean currents create an upswell of nutrient-rich water.
- Anger began to upswell within him as he heard the news.
- The upswell in sales exceeded all expectations.
- Cold water upswells from the ocean depths.
- An upswell of patriotism followed the national victory.