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.

Definitions of nix
  1. verb
    command against
    “Dad nixed our plans”
    synonyms: disallow, forbid, interdict, prohibit, proscribe, veto
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    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. noun
    a quantity of no importance
    synonyms: aught, cipher, cypher, goose egg, nada, naught, nil, nothing, null, zero, zilch, zip, zippo
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    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
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