Source : Webster's Revised Unabridged Dictionary (1913)

Naught \Naught\, n. [OE. naught, nought, naht, nawiht, AS.
   n?wiht, n?uht, n?ht; ne not + ? ever + wiht thing, whit;
   hence, not ever a whit. See {No}, adv. {Whit}, and cf.
   {Aught}, {Not}.]
   1. Nothing. [Written also {nought}.]

            Doth Job fear God for naught?         --Job i. 9.

   2. The arithmetical character 0; a cipher. See {Cipher}.

   {To set at naught}, to treat as of no account; to disregard;
      to despise; to defy; to treat with ignominy. ``Ye have set
      at naught all my counsel.'' --Prov. i. 25.

Naught \Naught\, adv.
   In no degree; not at all. --Chaucer.

         To wealth or sovereign power he naught applied.
                                                  --Fairfax.

Naught \Naught\, a.
   1. Of no value or account; worthless; bad; useless.

            It is naught, it is naught, saith the buyer. --Prov.
                                                  xx. 14.

            Go, get you to your house; begone, away! All will be
            naught else.                          --Shak.

            Things naught and things indifferent. --Hooker.

   2. Hence, vile; base; naughty. [Obs.]

            No man can be stark naught at once.   --Fuller.

Source : WordNet®

naught
     n 1: a quantity of no importance; "it looked like nothing I had
          ever seen before"; "reduced to nil all the work we had
          done"; "we racked up a pathetic goose egg"; "it was all
          for naught"; "I didn't hear zilch about it" [syn: {nothing},
           {nil}, {nix}, {nada}, {null}, {aught}, {cipher}, {cypher},
           {goose egg}, {zero}, {zilch}, {zip}]
     2: complete failure; "all my efforts led to naught"