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.
That’s because it never entered the record books—the unofficial threshold of a 20% decline in stocks only got hit on an intraday basis.
From The Wall Street Journal ● Sep. 23, 2026
In other states, local chapters of the mostly Protestant Fellowship of Christian Athletes organize unofficial pregame prayers.
From The Wall Street Journal ● Sep. 17, 2026
His surf reports have made him an unofficial mayor of Venice surf culture, getting recognized at the beach town’s local hangouts like Hinano Cafe and the Cow’s End.
From Los Angeles Times ● Sep. 14, 2026
One street has become the neighborhood’s unofficial wellness avenue, where there’s just store after store of red-light therapy, bathhouses, and microneedling.
From Slate ● Sep. 6, 2026
“It’s an online encyclopedia. JP and I run an unofficial one for the Stevie James series.”
From "The Manifestor Prophecy" by Angie Thomas
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.
