The Collaborative International Dictionary of English v.0.48:

Idle \I"dle\, v. i. [imp. & p. p. Idled; p. pr. & vb. n.
   Idling.]
   To lose or spend time in inaction, or without being employed
   in business. --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

idling
    n 1: having no employment [syn: idleness, idling, loafing]