Plunge headfirst into water (4)

I believe the answer is:

dive

(Other definitions for dive that I've seen before include "Plunge - seedy club" , "Low establishment" , "Seedy bar" , "Swim under water" , "Plunge, taken by some footballers" .)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.