un·​of·​fi·​cial | \ ˌən-ə-ˈfi-shəl also -ō- How to pronounce unofficial (audio) \

Definition of unofficial

: not authorized or acknowledged by a government, group, class, or society : not official unofficial results an unofficial policy

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Other Words from unofficial

unofficially adverb

Examples of unofficial in a Sentence

Recent Examples on the Web Voters see the unofficial result and go home, and officials spend about an hour confirming the ballots. Christopher Donato, ABC News, "Meet the voters who will cast the 1st NH primary ballots of 2020," 10 Feb. 2020 For the past two years, Pax Labs has shown off its vaporizers at an unofficial, but heavily attended event in Las Vegas that coincides with CES. Chris Morris, Fortune, "CES Cannabis Conundrum: Makers of Award-Winning Product Can’t Mention Its Purpose," 7 Jan. 2020 Nominations for the Hollywood Foreign Press Association's annual ceremony, which honors achievement in film and television, are viewed as the unofficial kickoff to awards season. Lisa Respers France, CNN, "Golden Globe nominations 2020: Who will be chosen?," 9 Dec. 2019 Seguin and the Stars begin the unofficial second half of the season Monday at the American Airlines Center by hosting Tampa Bay. Matthew Defranks, Dallas News, "Tyler Seguin says Ben Bishop ‘gets snubbed every year’ for the NHL All-Star game," 26 Jan. 2020 Even after the whistle-blower’s account of the Ukraine call emerged, Rudy Giuliani, Trump’s unofficial envoy, travelled to that country on his behalf. Jelani Cobb, The New Yorker, "Trump, Impeachment, and the Short-Term Thinking of the G.O.P.," 26 Jan. 2020 The s-word appeared in the title or description of no fewer than 13 sessions on the forum’s main program, and many more in the unofficial fringe. Jason Karaian, Quartz, "And the winner of the 2020 World Economic Forum is… stakeholders," 25 Jan. 2020 His four sacks of Dallas QB Roger Staubach in Super Bowl X represent an unofficial record since the NFL didn't officially recognize sacks until 1982. Nate Davis, USA TODAY, "The 54 greatest players in Super Bowl history: How high do 49ers legend rank?," 24 Jan. 2020 In the past, Taylor and BTS had hung out and taken a photo together at the BBMAs in 2018, plus fans on Twitter are pretty thrilled that Beyoncé will likely get to meet her unofficial son Jimin. Kara Nesvig, Teen Vogue, "BTS, Taylor Swift, and Beyoncé Are Basically Sitting Together in Tentative Grammys 2020 Seating Chart," 24 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unofficial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unofficial

1784, in the meaning defined above

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Time Traveler for unofficial

Time Traveler

The first known use of unofficial was in 1784

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Statistics for unofficial

Last Updated

14 Feb 2020

Cite this Entry

“Unofficial.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2020.

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More Definitions for unofficial


How to pronounce unofficial (audio)

English Language Learners Definition of unofficial

: not formally chosen by an official decision or vote
: not done or made in a formal way by someone in a position of authority
: not having the authority to make a statement, decision, etc.


un·​of·​fi·​cial | \ ˌən-ə-ˈfi-shəl \

Kids Definition of unofficial

: not official

Other Words from unofficial

unofficially adverb


un·​of·​fi·​cial | \ ˌən-ə-ˈfish-əl How to pronounce unofficial (audio) \

Medical Definition of unofficial

: not official specifically : of, relating to, or being a drug not described in the United States Pharmacopeia and National Formulary — compare nonofficial, official

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