zilchEnglishOxford Dictionary of Englishzilch /zɪltʃ / informal ▸ pronoun nothing: they knew absolutely zilch about rock 'n' roll. ▸ determiner not any; no: the character has zilch class. – ORIGIN 1930s (denoting an inconsequential person): origin uncertain; perhaps from Joe Zilch, a name used from the 1920s for an unknown or inconsequential person.