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
But the primary method of initial entry flagged by the FBI is unofficial Chrome updates.
—
Zak Doffman, Forbes.com, 25 July 2025
The President enjoys no immunity for his unofficial acts, and not everything the President does is official.
—Anna Commander, MSNBC Newsweek, 25 July 2025
Since Stanley had such an extensive knowledge of the game, Sandler and Herlihy, who re-teamed on Happy Gilmore 2, would use him as a sort of unofficial fact-checker during the writing process to ensure the accuracy of their screenplay.
—Amaya Nichole, Time, 25 July 2025
The song, released by comedians David Baddiel and Frank Skinner and rock band the Lightning Seeds in 1996, has become the unofficial anthem of England's soccer team in the years since.
—Meredith Kile, People.com, 25 July 2025
See All Example Sentences for unofficial
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Zak Doffman, Forbes.com, 25 July 2025
The President enjoys no immunity for his unofficial acts, and not everything the President does is official.
—Anna Commander, MSNBC Newsweek, 25 July 2025
Since Stanley had such an extensive knowledge of the game, Sandler and Herlihy, who re-teamed on Happy Gilmore 2, would use him as a sort of unofficial fact-checker during the writing process to ensure the accuracy of their screenplay.
—Amaya Nichole, Time, 25 July 2025
The song, released by comedians David Baddiel and Frank Skinner and rock band the Lightning Seeds in 1996, has become the unofficial anthem of England's soccer team in the years since.
—Meredith Kile, People.com, 25 July 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 29 Jul. 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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