unofficial

adjective

un·​of·​fi·​cial ˌən-ə-ˈfi-shəl 

also -ō-

: not authorized or acknowledged by a government, group, class, or society : not official

unofficial results

an unofficial policy

unofficially adverb

Examples of unofficial in a Sentence

Recent Examples on the Web

As of late Saturday afternoon, nearly 800,000 early voters had cast in-person ballots across Georgia, including more than 86,000 on Saturday, according to the state’s unofficial online turnout tracker. — Sophia Eppley, AJC.com, 17 Oct. 2026

The Netflix honcho had met with HBO chief Casey Bloys multiple times this year, including a very public one at Superba, the airy restaurant on Sunset near the Netflix offices that also serves as the streamer’s unofficial commissary. — Mia Galuppo, HollywoodReporter, 16 Oct. 2026

Haugsjaa and Forgan pulled off rare feats by claiming titles in both singles and doubles races at USA Luge's national start championships, which are considered the unofficial start of the team's competitive season. — ABC News, 16 Oct. 2026

From shredding the slopes in the winter to floating on the water in the summer, the unofficial capital of the Sierra Nevada sees outdoorsy travelers constantly flocking to its campsites and cabins. — Camila Pedrosa, Sacbee.com, 15 Oct. 2026

Word History

First Known Use

1784, in the meaning defined above

Rhymes for unofficial

• artificial
• beneficial
• cicatricial
• interstitial
• nonjudicial
• nonofficial
• prejudicial
• sacrificial
• superficial
• extrajudicial
• semiofficial
• initial

Medical Definition

unofficial

adjective

un·​of·​fi·​cial ˌən-ə-ˈfish-əl 

: not official

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