Read the dictionary definition of swim. All definitions for this word.
1. the act of swimming
1. it was the swimming they enjoyed most
2. they took a short swim in the pool
2. be afloat either on or below a liquid surface and not sink to the bottom
3. move as if gliding through water
1. this snake swims through the soil where it lives
4. travel through water
1. We had to swim for 20 minutes to reach the shore
2. a big fish was swimming in the tank
5. be covered with or submerged in a liquid
1. the meat was swimming in a fatty gravy
6. be dizzy or giddy
1. my brain is swimming after the bottle of champagne
See also:
Merriam-Webster definition of swim