Crossword Genius

Vary irregularly (9)

Ross

I believe the answer is:

fluctuate

(Other definitions for fluctuate that I've seen before include "Waver, go this way and that" , "Vary irregularly, rise and fall" .)

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.