Annoy with something sharp (6)

I believe the answer is:

needle

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'annoy' is the definition.
(needle can mean to annoy or irritate)

I don't understand the remainder of the clue.

(Other definitions for needle that I've seen before include "Annoy by continuous criticism; stylus" , "Irritate or provoke with sewing implement" , "Injection" , "It's vital to baste" , "Irritate with knitting implement" .)

I've seen this clue in The Irish Independent.

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