nix

If you nix something, you cancel or veto it. You might nix your little sister's plan to build a fire pit in the middle of the front yard.

In North America, to nix something is to forbid or put an end to it. Your aunt might nix your idea about a surprise party for your uncle, knowing he would hate it, and a babysitter might nix her charges' plan to stay up all night watching movies. Another, less formal meaning of nix is "nothing." This is also the oldest meaning of the word, from the German nichts, also "nothing," and pronounced in much the same way.

Primary Meanings of nix

1.
v
command against
2.
n
a quantity of no importance
Full Definitions of nix
1

v command against

“Dad nixed our plans”
Synonyms:
disallow, forbid, interdict, prohibit, proscribe, veto
Antonyms:
allow, countenance, let, permit
consent to, give permission
allow, grant
let have
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Types:
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ban
prohibit especially by legal means or social pressure
bar, debar, exclude
prevent from entering; keep out
enjoin
issue an injunction
criminalise, criminalize, illegalise, illegalize, outlaw
declare illegal; outlaw
ban, censor
forbid the public distribution of ( a movie or a newspaper)
Type of:
command, require
make someone do something
2

n a quantity of no importance

Synonyms:
aught, cipher, cypher, goose egg, nada, naught, nil, nothing, null, zero, zilch, zip, zippo
Types:
nihil
(Latin) nil; nothing (as used by a sheriff after an unsuccessful effort to serve a writ)
Type of:
relative quantity
a quantity relative to some purpose