Source : Webster's Revised Unabridged Dictionary (1913)

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.

Source : WordNet®

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