Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “unofficial”

See all translations

unofficial

adjective
 
 
/ˌʌnəˈfɪʃəl/
not said or done by the government or someone in authority: Unofficial reports suggest the death toll from the earthquake is around 600.Accurate and exact
unofficially adverb
Translations of “unofficial”
in Spanish no oficial, no autorizado…
in Korean 비공식적인…
in Arabic غَير رَسمي…
in Portuguese não oficial, extraoficial…
in Catalan extraoficial…
in Japanese 非公式な…
in Italian non ufficiale…
in Chinese (Traditional) 非正式的, 非官方的…
in Russian неофициальный…
in Turkish resmî olmayan, gayri resmî…
in Chinese (Simplified) 非正式的, 非官方的…
in Polish nieoficjalny…
(Definition of unofficial from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “unofficial” in other dictionaries

Word of the Day

christmassy

typical of Christmas, or happy because it is Christmas

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

tweleb noun

December 22, 2014
informal a Twitter celebrity; (more specifically, someone who has more than 1,000 followers on Twitter) There were a few old and a few new faces, including a tweleb or two. Expect to see and hear more from these cool kids.

Read More