nix
1. nix \'niks\ n [G, fr. OHG nihhus; akin to OE nicor water monster, Gk nizein] to wash : a water sprite of Germanic folklore usu. having the form of a woman or a half human and half fish 2. nix n [G nichts nothing] slang : NOTHING : no one 3. nix av slang : NO - used to express disagreement or the withholding of permiss ion 4. nix vt slang : VETO, FORBID