The meaning of UNOFFICIAL is not authorized or acknowledged by a government, group, class, or society : not official. How to use unofficial in a sentence.

Apr 13, 2026 · UNOFFICIAL definition: not official or formal See examples of unofficial used in a sentence.

UNOFFICIAL definition: 1. not official; not from a person in authority, the government, etc.: 2. not official; not from a…. Learn more.

Definition of unofficial adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Jan 18, 2026 · Adjective unofficial (comparative more unofficial, superlative most unofficial) Not officially established.

1. Not official: the unofficial election results. 2. Not acting officially: an unofficial adviser.

Factsheet What does the word unofficial mean? There are five meanings listed in OED's entry for the word unofficial. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

An unofficial action or statement is not organized or approved by a person or group in authority. Staff voted to continue an unofficial strike. Official reports put the death toll at under one hundred.

Use 'unofficial' when referring to something not formally acknowledged or authorized by a recognized authority. It can be used in various contexts like work, events, or announcements. He attended the …

Learn the definition of 'unofficial'. Check out the pronunciation, synonyms and grammar. Browse the use examples 'unofficial' in the great English corpus.