Bugged
'bugged' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for irked that I've seen before include "Exasperated" , "Vexed, annoyed" , "Wound" , "Bugged" , "Irritated, vexed" .)
'bugged' is the definition.
('pester' can be a synonym of 'bug')
This is all the clue.
(Other definitions for pestered that I've seen before include "Annoyed continually" , "Constantly bothered by deer pets" , "Annoyed with frequent questions or requests" , "Badgered with repeated requests" , "Harassed, annoyed" .)