Nix Very Common

a quantity of no importance

"it looked like nothing I had ever seen before"

"reduced to nil all the work we had done"

"we racked up a pathetic goose egg"

"it was all for naught"

"I didn't hear zilch about it"

Nothing.

"The old fishermen warned us to stay away from those dark pools, claiming that a dangerous nix was waiting beneath the surface to drag any unwary traveler down."

A treacherous water-spirit; a nixie.

command against

"I forbid you to call me late at night"

"Mother vetoed the trip to the chocolate store"

"Dad nixed our plans"

To make something become nothing; to reject or cancel.

"The manager decided to nix the proposal after learning it violated company policy."

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

"When he spotted the police car turning onto our street, everyone in the crowd let out a sudden nix and scattered before they could be caught."

One of the moons of Pluto (named 21 June 2006.)

"The genealogist noted that "nix" was not an old German word but rather a patronymic surname derived from the father's name."

A patronymic surname, from given names​.