Crossword Genius

Answers which may be dispensed with (7)

Ross

I believe the answer is:

retorts

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'answers' is the definition.
(I know this)

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(Other definitions for retorts that I've seen before include "Sharp replies or rejoinders" , "Makes witty or angry reply" , "laboratory equipment" , "Counters" .)

I've seen this clue in The Irish News and The Globe and Mail.
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