Source : Webster's Revised Unabridged Dictionary (1913)

Pointless \Point"less\, a.
   Having no point; blunt; wanting keenness; obtuse; as, a
   pointless sword; a pointless remark.

   Syn: Blunt; obtuse, dull; stupid.

Source : WordNet®

pointless
     adj 1: not having a point especially a sharp point; "my pencils are
            all pointless" [syn: {unpointed}] [ant: {pointed}]
     2: serving no useful purpose; having no excuse for being;
        "otiose lines in a play"; "advice is wasted words" [syn: {otiose},
         {superfluous}, {wasted}]
     3: lacking import; "a pointless remark"; "a life essentially
        purposeless"; "senseless violence" [syn: {purposeless}, {senseless}]