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
Their lawsuit will seek to halt Musk’s unofficial Department of Government Efficiency (DOGE) from accessing payment systems at the Treasury Department, which includes bank account and Social Security data.
—
Michael Kan, PCMAG, 7 Feb. 2025
During Trump's first administration, some of his family and staff took some minimal grief for conducting official business through unofficial, encrypted apps like WhatsApp.
—Kristan Hawkins, Newsweek, 6 Feb. 2025
This would seem to contradict the popular wisdom of James – and/or Rich Paul of Klutch Sports, the agent for James and Davis – as the Lakers’ unofficial co-general managers.
—Jim Alexander, Orange County Register, 5 Feb. 2025
By dealing for Doncic, the Lakers underwent an unofficial transition, no longer putting James’ needs first and focusing them on their new 25-year-old star.
—Houston Mitchell, Los Angeles Times, 4 Feb. 2025
See all Example Sentences for unofficial 
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Michael Kan, PCMAG, 7 Feb. 2025
During Trump's first administration, some of his family and staff took some minimal grief for conducting official business through unofficial, encrypted apps like WhatsApp.
—Kristan Hawkins, Newsweek, 6 Feb. 2025
This would seem to contradict the popular wisdom of James – and/or Rich Paul of Klutch Sports, the agent for James and Davis – as the Lakers’ unofficial co-general managers.
—Jim Alexander, Orange County Register, 5 Feb. 2025
By dealing for Doncic, the Lakers underwent an unofficial transition, no longer putting James’ needs first and focusing them on their new 25-year-old star.
—Houston Mitchell, Los Angeles Times, 4 Feb. 2025
See all Example Sentences for unofficial
Dictionary Entries Near unofficial
Cite this Entry
“Unofficial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unofficial. Accessed 16 Feb. 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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