disallow

From Wiktionary

Word parts[change]

dis- + allow

Pronunciation[change]

Verb[change]

Plain form
disallow

Third-person singular
disallows

Past tense
disallowed

Past participle
disallowed

Present participle
disallowing

  1. If you disallow, you do not let it happen; you do not allow this to happen.
    Please disallow his request for adminship.