Swell /swɛl/ verb
1 [no object] : to become larger than normal
- Her broken ankle swelled badly.
— often + up
- The bee sting made my whole arm swell up.
2 [+ object] : to make (something, such as a river) larger or more full than normal
- Heavy rains swelled the river.
3 : to increase in size or number
- The population has swelled/swollen in recent years.
- The economy is swelling at an annual rate of five percent.
- Immigrants have swelled the population.
4 [no object] : to become louder
- The music swelled.
5 : to cause (something, such as a sail) to stretch outward and become full
- The breeze swelled(out) the sails.
- The sails swelled(out) in the breeze.
6 [no object] : to feel an emotion strongly — + with
- His heart swelled with pride.