1. dip a foot or hand briefly into a liquid

Definition categories: motion, dip, douse, dunk, plunge, souse

2. play in or as if in water, as of small children

Similar word(s): paddle

Definition categories: social, play

3. work with in an amateurish manner

- She dabbles in astronomy

Similar word(s): smatter

Definition categories: social, busy, occupy

4. bob forward and under so as to feed off the bottom of a body of water

Definition categories: motion, bob

Sentences with dabble as a verb:

- The children sat on the dock and dabbled their feet in the water.

- She's an actress by trade, but has been known to dabble in poetry.