unofficial
Britishadjective
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not official or formal
an unofficial engagement
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not confirmed officially
an unofficial report
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(of a strike) not approved by the strikers' trade union
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(of a medicinal drug) not listed in a pharmacopoeia
Other Word Forms
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“Where there is a home, there are products made in Foshan,” became the city’s unofficial slogan.
From The Wall Street Journal • May 11, 2026
In unofficial results, he defeated Casey Putsch, a car designer with an automotive-themed YouTube channel, for a place in the general election, according to US media reports.
From BBC • May 5, 2026
Not only was he America’s most famous art instructor, he was also our unofficial art therapist, evangelizing painting as a way to find solace in our imagination.
From Salon • May 2, 2026
That puts the stock on pace to capture the unofficial title of the world’s most valuable company, currently held by AI chipmaker Nvidia, over the coming weeks.
From Barron's • May 1, 2026
Though he grew old, his memories remained sharp, and Alfred became the unofficial and much-sought-after tour guide.
From "In the Shadow of Liberty" by Kenneth C. Davis
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
