Crossword Genius

Say Harry Potter is jolly good! (6)

Ross

I believe the answer is:

wizard

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

'jolly good' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for wizard that I've seen before include "A magician, perhaps from Oz" , "Magician, necromancer" , "Fantastic" , "Superb" , "Warlock" .)

I've seen this clue in The Sun.
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.