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.
In another post, an LAFD fire captain, in an unofficial capacity, sounded the alarm on returning to burn areas too early. Alene Tchekmedyian, Los Angeles Times, 26 Jan. 2025 His last unofficial game for the club was their next friendly against Chelsea. Guillermo Rai, The Athletic, 24 Jan. 2025 Kushner will continue to advise on Middle East affairs in an unofficial capacity, according to Reuters. John Yoo and John Shu, Newsweek, 23 Jan. 2025 Chalamet, himself, ended up surprising the crowd by crashing the unofficial competition. Esther Kang, People.com, 22 Jan. 2025 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 30 Jan. 2025.

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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