unofficial
Britishadjective
-
not official or formal
an unofficial engagement
-
not confirmed officially
an unofficial report
-
(of a strike) not approved by the strikers' trade union
-
(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.
While Anthropic hasn’t set an official date for the IPO, the unofficial timeline has drifted past initial reports of a late-September or early-October listing.
From MarketWatch ● Nov. 7, 2026
Now he finds himself back on the hunt in an officially recognized unofficial capacity most everyone agrees is a good, or not a really bad, thing.
From Los Angeles Times ● Oct. 28, 2026
The song has become the unofficial anthem of the Brewers’ run to their first World Series since 1982.
From The Wall Street Journal ● Oct. 23, 2026
Her popularity gave a welcome boost to Busan's tourism, and the city has embraced her as an unofficial mascot.
From BBC ● Oct. 22, 2026
She walked beside Ivan, silent, until they reached the bridge that was the unofficial village boundary.
From Anya and the Nightingale by Sofiya Pasternack
Random Word
Spin the wheel and learn a new word!
Get a wordDefinitions 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.
