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

Though people certainly continued holding tributes for the fallen, Memorial Day was still unofficial for many more years. Jennifer Aldrich, Country Living, "When Is Memorial Day? Here's What You Need to Know About the Observance," 1 Mar. 2019 On February 1, The Telegraph reported, Kate made a private, unofficial visit to Clouds House, a treatment center next to Action on Addiction’s main office. Megan Friedman, Harper's BAZAAR, "What Meghan Markle and Kate Middleton Chose as Their First Solo Projects," 17 Sep. 2018 Battle had also made multiple trips to the University of Miami, visited Florida and, in April, took an unofficial visit to Southern Cal while playing with 7-on-7 team South Florida Express in Los Angeles. David Furones,, "St. Thomas Aquinas All-American safety Jordan Battle commits to Ohio State," 29 June 2018 The 6-foot-4, 240 pounder has recently taken official visits to TCU and Washington, and took an unofficial visit to Ole Miss a few weeks ago. William Wilkerson, star-telegram, "These football recruits could be TCU's next commitments," 28 June 2018 Diane Adkins-Tobin, a deputy state’s attorney for Harford, carried the Democratic primary with 8,566 votes, ahead of incumbent Judges Paul Ishak, 6,498 votes, and Lawrence Kreis, 5,199 votes, based on unofficial returns from Tuesday. Erika Butler, The Aegis, "Adkins-Tobin gets on November ballot to oppose sitting judges," 28 June 2018 Privacy - Terms Good and his mother made an unofficial visit to Miami on Wednesday and met coach Mark Richt and his staff. Susan Miller Degnan, miamiherald, "The Miami Hurricanes got this speedster to commit to #Surge19 UM recruiting class," 31 May 2018 The summit announcement took place on the same day that North Korean state broadcaster KRT aired video of Kim Jong-un's recent unofficial visit to Beijing. Patricia Dillon, Houston Chronicle, "Villager Q & A: Randall Cade & Fernanda Suarez, leaders of Bike The Woodlands Coalition," 11 May 2018 Brown took three unofficial visits to Nevada and one official visit to Cal. Chris Chavez,, "Five-Star Recruit Jordan Brown Commits To Nevada: Highlights, Stats," 11 May 2018

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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Last Updated

14 Mar 2019

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Time Traveler for unofficial

The first known use of unofficial was in 1784

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More Definitions for unofficial



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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More from Merriam-Webster on unofficial

Rhyming Dictionary: Words that rhyme with unofficial

Spanish Central: Translation of unofficial

Nglish: Translation of unofficial for Spanish Speakers

Britannica English: Translation of unofficial for Arabic Speakers

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