Crossword Genius

More than 1,000 keys all jumbled up (5)

Ross

I believe the answer is:

mixed

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

'jumbled up' 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 mixed that I've seen before include "Miscellaneous" , "Varied" , "Assorted" , "For both sexes" , "Blended" .)

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