Irksome person (4)

I believe the answer is:

pest

'irksome person' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for pest that I've seen before include "Nuisance; half a European capital" , "Destructive insect or other animal" , "Annoying person" , "Destructive creature" , "Annoying creature" .)

I've seen this clue in the Newsday and the Newsday.com.

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