Cryptic crossword clue
Proved false, switching one note for another in rebate 7

The most common and most likely answer to this crossword clue is the 7 letter word REFUTED

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Buddy explains!

The straight part
We know that "Proved false" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case proved false = refuted.
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does REFUTED mean?

REFUTED verb
  1. To prove (something) to be false or incorrect.
  2. To deny the truth or correctness of (something).

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