[des.ul.to.ry] adj [L desultorius, lit., of a circus rider who leaps from horse to horse, fr. desilire to leap down, fr. de- + salire to leap--more at sally] (1581) 1: marked by lack of definite plan, regularity, or purpose "a dragged-out ordeal of ...~ shopping --Herman Wouk"
2: not connected with the main subject
3: disappointing in progress or performance: sluggish -- des.ul.to.ri.ly adv -- des.ul.to.ri.ness n