Crossword Genius

Supercilious supporter of the monarchy once (8)

Ross

I believe the answer is:

cavalier

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

'supercilious' is the definition.
(I've seen this in another clue)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for cavalier that I've seen before include "oblivious to consequences" , "Showing a lack of proper concern" , "Horseman" , "Monarchist" , "Offhand, careless" .)

I've seen this clue in The 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.