

The balloon will swell when you blow air into it.
To increase in size or volume.
The dough will swell as it rises.
Her eyes began to swell with tears.
The river may swell after heavy rain.
swell up
swell with pride
swell in size
expand
inflate
enlarge
We had a swell time at the party.
Excellent or great; used informally.
That was a swell movie!
We had a swell day at the beach.
Her new dress looks swell.
swell time
swell party
swell idea
great
fantastic
super
There was a swell of support for the new project.
A gradual increase in size or amount.
There was a swell of excitement in the crowd.
A swell of interest grew after the announcement.
We felt a swell of pride during the ceremony.
swell of support
swell of emotion
swell of enthusiasm
increase
rise
growth