Crossword Genius

Running on ___ (5)

Ross

I believe the answer is:

fumes

(Other definitions for fumes that I've seen before include "Gas vapours" , "Odours" , "Seethes with anger - or smoke" , "Smoulders or smokes" , "Seethes with anger, smokes (5)" .)

I've seen this clue in The New York Times.
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.