Open English Wordnet
Nouns
(n)nothing, nil, nix, nada, null, aught, cipher, cypher, goose egg, naught, zero, zilch, zip, zippoa quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential“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”
(n)slide fastener, zip, zipper, zip fastenera fastener for locking together two toothed edges by means of a sliding tab