Crossword Genius

Picked up large jar (5)

Ross

I believe the answer is:

grate

'jar' is the definition.
(make unpleasant sound)

'picked up large' is the wordplay.
'picked up' shows a homophone (sound like).
'large' becomes 'great' (similar in meaning).
'great' sounds like 'GRATE'.

(Other definitions for grate that I've seen before include "Grind (teeth)" , "Fireplace recess; rasp" , "Great (anag.)" , "Jar; fireplace" , "Barred framework" .)

I've seen this clue in The Telegraph.
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