naught in WordNet English dictionary

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"
   nothing  nil  nix  nada  null  aught  cipher  cypher  goose egg  naught  zero  zilch  zip  zippo 
   
2. complete failure
   "all my efforts led to naught"
   naught