as in unauthorized
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Recent Examples of unofficial
Taking in the years 1956 to 1963, Through the Open Window serves as an unofficial companion to last year’s A Complete Unknown biopic.
—
David Browne, Rolling Stone, 26 Oct. 2025
Believe it or not, many easy costume inspirations can be drawn from celebrities (not everyone goes all out like Hollywood's unofficial Halloween queen, Heidi Klum).
—Catherine Santino, PEOPLE, 25 Oct. 2025
Any unofficial or decorative mark—including, of course, souvenir stamps—violates that rule and can render the document invalid.
—Lauren Dana Ellman, Travel + Leisure, 25 Oct. 2025
Bike the Corral Trail System Why is the Corral system known as the unofficial epicenter of Tahoe mountain biking?
—Brian Higgins, Outside, 24 Oct. 2025
See All Example Sentences for unofficial
David Browne, Rolling Stone, 26 Oct. 2025
Believe it or not, many easy costume inspirations can be drawn from celebrities (not everyone goes all out like Hollywood's unofficial Halloween queen, Heidi Klum).
—Catherine Santino, PEOPLE, 25 Oct. 2025
Any unofficial or decorative mark—including, of course, souvenir stamps—violates that rule and can render the document invalid.
—Lauren Dana Ellman, Travel + Leisure, 25 Oct. 2025
Bike the Corral Trail System Why is the Corral system known as the unofficial epicenter of Tahoe mountain biking?
—Brian Higgins, Outside, 24 Oct. 2025
See All Example Sentences for unofficial
Recent Examples of Synonyms for unofficial
Adjective
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Small, unauthorized charges can be early signs of fraud.—
Kurt Knutsson,
FOXNews.com,
2 Nov. 2025
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The city passed new rules in April quadrupling the fines on developers for unauthorized cutting of trees.—
Harrison Mantas,
Fort Worth Star-Telegram,
31 Oct. 2025
Adjective
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After an informal question and answer session with several representatives from TCEQ, more than a dozen people stepped to the microphone to deliver comments on the proposal.—
Fort Worth Star-Telegram,
Fort Worth Star-Telegram,
31 Oct. 2025
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It’s supported education for refugee children, clean water and sanitation, livelihoods for informal waste pickers and funded factory decarbonization initiatives.—
Jasmin Malik Chua,
Sourcing Journal,
31 Oct. 2025
Cite this Entry
“Unofficial.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unofficial. Accessed 4 Nov. 2025.
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