zilch /zɪlt͡ʃ/noun 2adjective 1verb 1forms 3 noun2 •(informal) Nothing, zero.Her search for decent home-made winter clothes came up with zilch, so she had to get imported stuff. •(informal, no longer used) A nobody: a person who is worthless in importance or character.President Henry P. Zilch. Chairman of the Board Charles D. Zilch. Treasurer Otto Zilch. — 1931 adjective1 •(informal) No, zero, non-existent.Zilch, adj. Nothing, zero... — 1966 verb1 •(US, informal) To cause to score nothing, to thoroughly defeat.We zilched them on that rubber. — 1969 formszilched · zilching · zilches