Synonyms for nix Found 19 synonyms across 2 meanings for “nix”. a quantity of no importance (noun) nothingnilnadanullaughtciphercyphernaughtzerozilchzipzippo command against (verb) forbidprohibitinterdictproscribevetodisallow Explore Related Words Rhymes with nixSynonyms for nothingSynonyms for nilSynonyms for nadaSynonyms for nullSynonyms for aught Synonym Finder | Rhyme Finder | Poetry Editor