unofficial
adjective
un·of·fi·cial
ˌən-ə-ˈfi-shəl 
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
Last month, an unofficial debate was hosted by CPS Parents for Buses, a parent group advocating for the return of busing for general education students.
—
Alysa Guffey, Chicago Tribune, 26 May 2024
Memorial Day also marks the unofficial start of summer and is often observed with barbecues and other celebrations.
—Suhauna Hussain, Los Angeles Times, 25 May 2024
See all Example Sentences for unofficial 
Alysa Guffey, Chicago Tribune, 26 May 2024
Memorial Day also marks the unofficial start of summer and is often observed with barbecues and other celebrations.
—Suhauna Hussain, Los Angeles Times, 25 May 2024
See all Example Sentences for unofficial
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unofficial.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Unofficial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unofficial. Accessed 1 Jun. 2024.
Copy CitationMedical Definition
unofficial
adjective
un·of·fi·cial
ˌən-ə-ˈfish-əl
: not official
specifically
: of, relating to, or being a drug not described in the United States Pharmacopeia and National Formulary compare nonofficial, official
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