unofficial

adjective

Definition of unofficialnext
as in unauthorized

Related Words

Relevance

Dissimilar Words

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of unofficial Obada made the cut and soon scored an unofficial tryout with the Dallas Cowboys on the recommendation of a coach while the NFL squad was in London. — Sean Neumann, PEOPLE, 12 Aug. 2026 Although Italy was arguably more prolific in this area, the freewheeling attitudes of Hong Kong film studios in that industry’s golden era meant that unofficial sequels were not uncommon there, either. — Katie Rife, IndieWire, 11 Aug. 2026 The tiny Mediterranean country has committed to an unofficial moratorium on executions since January 2004. — ABC News, 11 Aug. 2026 The Milwaukee Journal Sentinel is also reporting out unofficial results. — Hope Karnopp, jsonline.com, 11 Aug. 2026 See All Example Sentences for unofficial
Recent Examples of Synonyms for unofficial
  1. unauthorized
  2. informal
Adjective
  • Residents have also voiced concerns about unauthorized people in other parts of the building.
    — Tim McNicholas, CBS News, 14 Aug. 2026
  • Whatever the judge ultimately decides, the case will continue on copyright claims involving allegedly unauthorized samples of sound recordings owned by the plaintiffs.
    — Nancy Dillon, Rolling Stone, 14 Aug. 2026
Definition of unauthorized
Adjective
  • His experience impelled him to join an informal yet determined community of researchers, doctors, and patients pushing for extra studies to help patients and doctors find the right dosage for an array of cancer drugs.
    — CNN Money, CNN Money, 19 Aug. 2026
  • Judge Roach reminded both sides that he was not bound by any informal agreement.
    — CBS Texas Staff, CBS News, 19 Aug. 2026
Definition of informal

Browse Nearby Words

unoccupied
unofficial
unordered
See all Nearby Words

Cite this Entry

“Unofficial.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unofficial. Accessed 21 Aug. 2026.

Copy Citation

More from Merriam-Webster on unofficial

Nglish: Translation of unofficial for Spanish Speakers

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of rigmarole

See Definitions and Examples »

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

How to Pronounce the Trickiest Menu Items

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Do you 'say your piece' or 'say your peace'?

Why is '-ed' sometimes pronounced at the end of a word?
See More

Popular in Wordplay

See More

Words from the 'Odyssey'

The Longest Long Words List

Even More Words That Sound Like Insults But Aren't

12 Lovely and Unusual Words for the Natural World

Why do we 'bury the lede?'
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Words from the 'Odyssey'

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
image of a green cube out of place in a lineup of red spheres
Odd Word Out: Synonyms Vol. 2 Quiz Figure out which word isn't like the others.
See All