Skulked (5)
'skulked' is the definition.
('lurk' can be a synonym of 'skulk')
This is all the clue.
(Other definitions for lurked that I've seen before include "Waited stealthily in hiding" , "Sudden or brusque" , "Hung furtively about" , "Lingered unseen" , "Skulked" .)
'skulked' is the definition.
(I've seen this in another clue)
This is the entire clue.