Crossword Genius

Leave be, with no end of mess (4)

Ross

I believe the answer is:

exit

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

'leave' is the definition.
(synonyms)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for exit that I've seen before include "Actor's departure" , "Departure of actor" , "Act of going out" , "Sudden rush of pleasure" , "Relinquish the lead" .)

I've seen this clue in The Telegraph.
Want a hint initially instead of a full solution? Install my app