Crossword Genius

Kitty adjudged to have nothing missing (4)

Ross

I believe the answer is:

fund

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'kitty' is the definition.
(fund or money for a particular purpose)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for fund that I've seen before include "Finance" , "Pool of money" , "Supply cash" , "Sponsor" , "Monetary resources" .)

I've seen this clue in The Times.
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