Source : Webster's Revised Unabridged Dictionary (1913)

Slothful \Sloth"ful\, a.
   Addicted to sloth; inactive; sluggish; lazy; indolent; idle.

         He also that is slothful in his work is brother to him
         that is a great waster.                  --Prov. xviii.
                                                  9.
   -- {Sloth"ful*ly}, adv. -- {Sloth"ful*ness}, n.

Source : WordNet®

slothful
     adj : disinclined to work or exertion; "faineant kings under whose
           rule the country languished"; "an indolent hanger-on";
           "too lazy to wash the dishes"; "shiftless idle youth";
           "slothful employees"; "the unemployed are not
           necessarily work-shy" [syn: {faineant}, {indolent}, {lazy},
            {otiose}, {work-shy}]