unofficial

adjective

un·​of·​fi·​cial ˌən-ə-ˈfi-shəl How to pronounce unofficial (audio)
 also  -ō-
: not authorized or acknowledged by a government, group, class, or society : not official
unofficial results
an unofficial policy
unofficially adverb

Examples of unofficial in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The parties at Dunder Mifflin have stopped, but The Office still had an unofficial holiday get-together. Raechal Shewfelt, EW.com, 14 Dec. 2024 The collection of looped single-track paths began its evolution from old livestock and mining trails with the development of the (unofficial) Hawes Trail in 1989. Mare Czinar, The Arizona Republic, 13 Dec. 2024 Watch National Lampoon's Christmas Vacation on Hulu Die Hard Die Hard — the ultimate unofficial Christmas movie — is a holiday tradition for many. James Mercadante, People.com, 12 Dec. 2024 An additional unofficial sound using bits of 2Pac’s track plays in over 138,000 posts, while another unofficial sound plays in nearly 50,000 posts. Jason Lipshutz, Billboard, 11 Dec. 2024 See all Example Sentences for unofficial 

Word History

First Known Use

1784, in the meaning defined above

Time Traveler
The first known use of unofficial was in 1784

Dictionary Entries Near unofficial

Cite this Entry

“Unofficial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unofficial. Accessed 22 Dec. 2024.

Medical Definition

unofficial

adjective
un·​of·​fi·​cial ˌən-ə-ˈfish-əl How to pronounce unofficial (audio)
: not official
specifically : of, relating to, or being a drug not described in the United States Pharmacopeia and National Formulary compare nonofficial, official
Last Updated: - Updated example sentences
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