Soak/səʊk/ Definition 1 of 4Pro Tip 1/2Complete Immersion Use 'soak' when something is entirely in liquid, not just partly wet. Make sure to soak the sponge until it's saturated. Pro Tip 2/2Preparation Process 'Soak' often refers to a step in preparing food, like softening beans. Remember to soak the lentils before cooking them.