Survive in crowdless Wimbledon? (4)

I believe the answer is:

swim

I'm a little stuck... Click here to teach me more about this clue!

'survive' is the definition.
Although both the answer and definition are verbs in their base form, I cannot understand how one could define the other.

'in crowdless wimbledon?' is the wordplay.
'in' indicates the answer is hidden within the clue.
'SWIM' is hidden within 'crowdless wimbledon'.

Can you help me to learn more?

(Other definitions for swim that I've seen before include "Travel through water" , "Take a dip" , "Capital of Afghanistan" , "progress through water" , "Bathe" .)

I've seen this clue in The Sun.

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.