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unofficial

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adjective un·of·fi·cial \ˌən-ə-ˈfi-shəl also -ō-\

Definition of unofficial

  1. :  not authorized or acknowledged by a government, group, class, or society :  not official unofficial results an unofficial policy

unofficially

adverb

See unofficial defined for English-language learners

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First Known Use of unofficial

1784

UNOFFICIAL Defined for Kids

unofficial

adjective un·of·fi·cial \ˌən-ə-ˈfi-shəl\

Definition of unofficial for Students

  1. :  not official

unofficially

adverb

Medical Dictionary

unofficial

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adjective un·of·fi·cial \ˌən-ə-ˈfish-əl\

Medical Definition of unofficial

  1. :  not official; specifically :  of, relating to, or being a drug not described in the United States Pharmacopeia and National Formulary—compare nonofficial, official

Learn More about unofficial

  1. See words that rhyme with unofficial Spanish Central: Translation of unofficial Nglish: Translation of unofficial for Spanish speakers Britannica English: Translation of unofficial for Arabic speakers

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