nix

Nothing.

"That's a clean lift from Kipling—or is it Conan Doyle? Anyway, I've read something just like it before. Say, kid, guess what these magazine guys get for a full page ad.? Nix. That's just like a woman. Three thousand straight. Fact."

"I can take you down, Miss Conover, but I cannot take Mr. Hawksley. When the boss gives me an order I obey it—if I possibly can. On the day the boss tells me you can go strolling, I'll give you the key to the city. Until then, nix! No use arguing, Mr. Hawksley."

To make something become nothing; to reject or cancel.

Nix the last order – the customer walked out.

Sticks Nix Hick Pix [headline]

To destroy or eradicate.

No! Not at all!

"Ugh! An inventor, eh?" "Nix! He's not an inventor himself, but he antes-up for 'em."

A warning cry when a policeman or schoolmaster etc. was seen approaching.