Avoiding work (6)
(Other definitions for idling that I've seen before include "Being indolent" , "Not in gear; lazing around" , "Wasting time" , "spending lazy time?" , "Loafing or just ticking over" .)
'avoiding work' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for idle that I've seen before include "out of a job" , "Tick over like engine" , "Trivial" , "Mike" , "Useless" .)