Definitions

1. verb

to swell or rise up beyond a normal or expected level

“The crowd began to outswell the available space, forcing authorities to intervene.”

2. verb

to become or make something greater than its original or expected size

“The rising tide outswelled the seawall, flooding the nearby streets.”

3. noun

a swelling or rising of the crowd or a large number of people

“The outswell of public support for the cause was impressive to see.”