disallow

When you disallow something, you prohibit it. Teachers usually disallow cell phones in their classrooms.

You're most likely to come across the verb disallow in official or formal contexts, like a list of rules in a courtroom or within the wording of a law. Referees often disallow certain actions in sports matches, and prison wardens disallow many kinds of behavior by prisoners. The word comes from allow, with its root allouen, "to praise, approve of, or be pleased with," with the Latin prefix dis in front, here meaning "do the opposite of."

Definitions of disallow
  1. verb
    command against
    synonyms: forbid, interdict, nix, 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
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