- a person appointed or elected to an office or charged with certain duties.
- of or relating to an office or position of duty, trust, or authority: official powers.
- authorized or issued authoritatively: an official report.
- holding office.
- appointed or authorized to act in a designated capacity: an official representative.
- (of an activity or event) intended for the notice of the public and performed or held on behalf of officials or of an organization; formal: the official opening of a store.
- Pharmacology. noting drugs or drug preparations that are recognized by and that conform to the standards of the United States Pharmacopeia or the National Formulary.
Origin of official
Examples from the Web for unofficial
It was just the anonymous artist and his group of pranksters using New York as their unofficial playground.Catch Him If You Can: Reliving Banksy’s New York Invasion
November 14, 2014
The video was also posted on the Twitter account of “a3maq news,” which acts as an unofficial media arm of ISIS.ISIS Video: America’s Air Dropped Weapons Now in Our Hands
October 21, 2014
TEL AVIV – If hell were a travel destination, Qusay Omran would be its unofficial tour guide.Beating Cancer & Dodging Israel's Bombs
September 1, 2014
Labor Day marks the unofficial end of summer and the unofficial start of the general election.Just Tuning Into The Mid-Terms? Here are Five, Weird, Unpredictable Senate Races to Watch
September 1, 2014
This summer, Justin Bieber is the unofficial tiny prince of Ibiza.The Tiny Prince of Ibiza Parties On, While Kim and Paris Make Peace
August 4, 2014
These unofficial experiments did not take place till 26th July 1907.Telepathy
W. W. Baggally
You must look at it this way: what I know is unofficial; what he knows is official.The Return of Sherlock Holmes
Arthur Conan Doyle
But he was very ready with his pen, and served as a kind of unofficial poet-laureate.Andrew Melville
It is only necessary to refer briefly to the unofficial Boer attempts at peace.The War in South Africa
Arthur Conan Doyle
Captain Erskine nodded, and did his best to conceal an unofficial smile.The World Peril of 1910
- not official or formalan unofficial engagement
- not confirmed officiallyan unofficial report
- (of a strike) not approved by the strikers' trade union
- (of a medicinal drug) not listed in a pharmacopoeia
- of or relating to an office, its administration, or its duration
- sanctioned by, recognized by, or derived from authorityan official statement
- appointed by authority, esp for some special duty
- having a formal ceremonial characteran official dinner
- a person who holds a position in an organization, government department, etc, esp a subordinate position
- of or relating to one of the two factions of the IRA and Sinn Féin, created by a split in 1969. The Official movement subsequently renounced terrorism and entered constitutional politics in the Irish Republic as the Workers' Party (now the Democratic Left)
- a member of the Official IRA and Sinn Féin
Word Origin and History for unofficial
early 14c., from Old French oficial "law officer; bishop's representative" (12c.) and directly from Late Latin officialis "attendant to a magistrate, public official," noun use of officialis (adj.) "of or belonging to duty, service, or office" (see official (adj.)). Meaning "person in charge of some public work or duty" first recorded 1550s.
late 14c., "performing a service; required by duty," from Old French oficial "official; main, principal" (14c., Modern French officiel) or directly from Late Latin officialis "of or belonging to duty, service, or office," from Latin officium (see office). Meaning "pertaining to an office or official position" is from c.1600.
- Of or being a drug that is not listed in the United States Pharmacopeia or the National Formulary.
- Authorized by or contained in the US Pharmacopoeia or National Formulary. Used of drugs.