Crossword Genius

Criticise bill (5)

Ross

I believe the answer is:

slate

I believe this clue is a double definition.

'criticise' is the first definition.
(I've seen this before)

'bill' is the second definition.
(thesaurus)

(Other definitions for slate that I've seen before include "Bluish-grey colour" , "Stone used for roofing" , "rock used in building" , "Run down" , "Grey stone; tab" .)

I've seen this clue in The Telegraph.
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