Gradual increase in loudness (9)

I believe the answer is:

crescendo

'gradual increase in loudness' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for crescendo that I've seen before include "Gradual rise in volume" , "Gradually getting louder" , "In music, a gradual increase in loudness" , "increase in sound level" , "Gradually increasing sound" .)

I've seen this clue in The Mirror, The Irish Times, The Times, the Irish Times (Simplex) and the Evening Standard.

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.