unofficial

pronunciation

How to pronounce unofficial in British English: UK [ˌʌnəˈfɪʃl]word uk audio image

How to pronounce unofficial in American English: US [ˌʌnəˈfɪʃəl] word us audio image

  • Adjective:
    not having official authority or sanction
    not officially established

Word Origin

unofficial (adj.)
1798, from un- (1) "not" + official (adj.). Related: Unofficially.

Antonym

adj.

official

Example

1. * The unofficial tally of global facebook users is approaching 700 million .
2. We 've never done the number-crunching ourselves , but unofficial studies suggest the assertion has merit .
3. Such sights are common in the unofficial kurdish capital .
4. There has long been an unofficial truce between networking vendors and server vendors .
5. Unofficial reports spoke of 15 deaths .

more: >How to Use "unofficial" with Example Sentences