[1] : The Collaborative International Dictionary of English v.0.48

senseless \sense"less\, a.
   destitute of, deficient in, or contrary to, sense; without
   sensibility or feeling; unconscious; stupid; foolish; unwise;
   unreasonable.
   1913 webster

         you blocks, you stones, you worse than senseless
         things.                                  --shak.
   1913 webster

         the ears are senseless that should give us hearing.
                                                  --shak.
   1913 webster

         the senseless grave feels not your pious sorrows.
                                                  --rowe.
   1913 webster

         they were a senseless, stupid race.      --swift.
   1913 webster

         they would repent this their senseless perverseness
         when it would be too late.               --clarendon.
   1913 webster -- sense"lessly, adv. -- sense"lessness,
   n.
   1913 webster
see also:
sense"lessly sense"lessness 

[2] : WordNet (r) 2.0

senseless
     adj 1: not marked by the use of reason; "mindless violence";
            "reasonless hostility"; "a senseless act" syn: mindless,
             reasonless
     2: unresponsive to stimulation; "he lay insensible where he had
        fallen"; "drugged and senseless" syn: insensible
     3: lacking import; "a pointless remark"; "a life essentially
        purposeless"; "senseless violence" syn: pointless, purposeless
     4: of especially persons lacking sense or understanding or
        judgment syn: nitwitted, soft-witted, witless
see also:
mindless reasonless insensible pointless purposeless nitwitted 
soft-witted witless 

[3] : Moby Thesaurus II by Grady Ward, 1.0

295 moby thesaurus words for "senseless":
   abiotic, abnormal, absonant, absurd, aimless, amorphous,
   anesthetized, apish, asinine, asleep, azoic, batty, befooled,
   beguiled, benumbed, bereft of reason, besotted, brainless,
   brainsick, buffoonish, capricious, casual, cataleptic, catatonic,
   cockeyed, cold, comatose, contradictory, contrary to reason,
   crackbrained, cracked, crazed, crazy, credulous, daffy, daft,
   dazed, dead, deadened, deluded, demented, deprived of reason,
   deranged, designless, desultory, dippy, disarticulated,
   discontinuous, disjunct, disordered, disoriented, dispersed,
   disproportionate, distraught, dizzy, doped, doting, drugged, dumb,
   empty, empty-headed, erratic, exanimate, fallacious, fatuitous,
   fatuous, faulty, fitful, flaky, flawed, flighty, fond, fool,
   foolheaded, foolish, formless, frivolous, fuddled, futile, gaga,
   garbled, goofy, gratuitous, gulled, half-conscious, hallucinated,
   haphazard, headless, hit-or-miss, idiotic, ignorant, ill-advised,
   ill-considered, ill-contrived, ill-devised, ill-gauged, ill-judged,
   illogical, imbecile, imbecilic, immethodical, impolitic,
   importless, imprudent, inadvisable, inane, inanimate, inanimated,
   inauthentic, inchoate, incoherent, inconclusive, incongruous,
   inconsequent, inconsequential, inconsiderate, inconsistent,
   indiscreet, indiscriminate, inept, inert, inexpedient, infatuated,
   injudicious, insane, insensate, insensible, insensitive,
   insentient, insignificant, invalid, irrational, irregular, kooky,
   lackbrained, lean-minded, lean-witted, lifeless, loco, loony,
   loose, ludicrous, lunatic, mad, maddened, manic, maudlin, mazed,
   meaningless, mental, mentally deficient, meshuggah, mindless,
   misadvised, misguided, misshapen, moon-struck, moronic, mute,
   myopic, narcotized, nirvanic, nitwitted, non compos,
   non compos mentis, nonconnotative, nonconscious, nondenotative,
   nonliving, nonscientific, nonsensical, nonsymmetrical,
   nonsystematic, nonuniform, not all there, not bright,
   not following, not right, null, numbed, nutty, oblivious, odd,
   of little brain, of unsound mind, off, orderless, out, out cold,
   out of it, paralogical, pea-brained, phatic, pin-brained, planless,
   pointless, promiscuous, psycho, purportless, purposeless, queer,
   random, reasonless, reckless, ridiculous, sappy, scrambled, screwy,
   self-annulling, self-contradictory, self-refuting, semiconscious,
   sentimental, shapeless, shortsighted, sick, silly, slackminded,
   slackwitted, soulless, spaced out, spasmodic, sporadic, stark-mad,
   stark-staring mad, stoned, straggling, straggly, strange,
   strung out, stunned, stupid, surd, systemless, tetched,
   thoughtless, touched, trinal, unadvised, unanimated, unarranged,
   unauthentic, unaware, unbalanced, unclassified, unconnected,
   unconscious, unconsidered, undirected, undiscerning, unfeeling,
   unforeseeing, ungifted, ungraded, unhinged, unimportant,
   unintellectual, unintelligent, unjoined, unmeaning, unmethodical,
   unordered, unorganized, unphilosophical, unreasonable, unreasoning,
   unreflecting, unreflective, unsane, unscientific, unseeing,
   unsensible, unsettled, unsignificant, unsorted, unsound,
   unsymmetrical, unsystematic, untalented, unthinking, unthoughtful,
   ununiform, unwise, unwitty, vague, wacky, wandering, weak-minded,
   wet, wild, without reason, witless, wooden, zonked, zonked out

Senseless >> S Words
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