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
Johnson County unofficial polling data shows Simmons with 333 votes over Perez’s 58.
—
Rachel Royster, Fort Worth Star-Telegram, 8 June 2025
The use of unknown and unofficial app marketplaces where software is required to be downloaded during setup.
—Davey Winder, Forbes.com, 7 June 2025
Growing up, the de Kooning home became an unofficial meeting ground for creative tomfoolery: Lisa de Kooning was a firm believer in play.
—Alessandra Schade, Vogue, 7 June 2025
Similar information was shared via Signal with Hegseth's wife, who has assumed an unofficial role at the Pentagon, and his brother, who works there as a liaison from the Department of Homeland Security.
—Arkansas Online, 7 June 2025
See All Example Sentences for unofficial
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Rachel Royster, Fort Worth Star-Telegram, 8 June 2025
The use of unknown and unofficial app marketplaces where software is required to be downloaded during setup.
—Davey Winder, Forbes.com, 7 June 2025
Growing up, the de Kooning home became an unofficial meeting ground for creative tomfoolery: Lisa de Kooning was a firm believer in play.
—Alessandra Schade, Vogue, 7 June 2025
Similar information was shared via Signal with Hegseth's wife, who has assumed an unofficial role at the Pentagon, and his brother, who works there as a liaison from the Department of Homeland Security.
—Arkansas Online, 7 June 2025
See All Example Sentences for unofficial
Cite this Entry
“Unofficial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unofficial. Accessed 10 Jun. 2025.
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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