Crossword Genius

Deny scarfs used for certain ball wear (5,5)

Ross

I believe the answer is:

fancy dress

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

'certain ball wear' is the definition.
'fancy dress' can be an answer for 'wear' (fancy dress is a kind of wear). I am not sure about the 'certain ball' bit.

'deny scarfs used' is the wordplay.
'used' indicates an anagram.
'deny'+'scarfs'='denyscarfs'
'denyscarfs' is an anagram of 'FANCY DRESS'.

'for' acts as a link.

Can you help me to learn more?

(Other definitions for fancy dress that I've seen before include "Party costume" , "Masquerade costume?" , "Frivolous party garb" , "Themed party attire" .)

I've seen this clue in the Sydney Morning Herald.
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