1. 
[syn: nothing, nil, nix, nada, null, aught, cipher, cypher, goose egg, naught, zero, zilch, zip, zippo]
WordNet (r) 3.0 (2006):
zilch
    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, naught, zero, zilch, zip, zippo]
Moby Thesaurus II by Grady Ward, 1.0:
21 Moby Thesaurus words for "zilch":
   aught, cipher, goose egg, insignificancy, nada, naught, nichts,
   nihil, nil, nix, no such thing, nobody, nothing, nothing at all,
   nothing on earth, nothing whatever, nullity, thing of naught,
   whiffet, whippersnapper, zero