Source : Webster's Revised Unabridged Dictionary (1913)

Unemployed \Un`em*ployed"\, a.
   1. Not employed in manual or other labor; having no regular
      work.

   2. Not invested or used; as, unemployed capital.

Source : WordNet®

unemployed
     adj : not engaged in a gainful occupation; "unemployed workers
           marched on the capital" [ant: {employed}]