资料来源 : Webster's Revised Unabridged Dictionary (1913)

Senseless \Sense"less\, a.
   Destitute of, deficient in, or contrary to, sense; without
   sensibility or feeling; unconscious; stupid; foolish; unwise;
   unreasonable.

         You blocks, you stones, you worse than senseless
         things.                                  --Shak.

         The ears are senseless that should give us hearing.
                                                  --Shak.

         The senseless grave feels not your pious sorrows.
                                                  --Rowe.

         They were a senseless, stupid race.      --Swift.

         They would repent this their senseless perverseness
         when it would be too late.               --Clarendon.
   --- {Sense"less*ly}, adv. -- {Sense"less*ness}, n.

资料来源 : WordNet®

senselessness
     n : total lack of meaning or ideas [syn: {inanity}, {mindlessness},
          {vacuity}, {pointlessness}]