Crossword Genius

Waste grounds (5)

Ross

I believe the answer is:

dregs

This clue is a double definition.

'waste' is the first definition.
(thesaurus)

'grounds' is the second definition.
(synonyms)

(Other definitions for dregs that I've seen before include "Wine sediment" , "Remnant of drink" , "Remaining sediment" , "Leftover drink, sediment" , "Sediment, lees" .)

I've seen this clue in The Telegraph, The Globe and Mail and The Guardian.
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