This meaning refers to keeping something under or in contact with liquid so that it softens, cleans, or absorbs moisture.
Soak the beans overnight.
She soaked the shirt in warm water.
This meaning describes liquid making a person, object, or material thoroughly wet.
The rain soaked my clothes.
We were soaked after walking home.
As a noun, soak refers to leaving a person or object in water for a period of time.
I had a long soak in the bath.
The pan needs a good soak before washing.