unofficial

adjective

/ˌʌnəˈfɪʃl/

[usually before noun]

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that does not have permission or approval from somebody in authority
- an unofficial agreement/strike
- Unofficial estimates put the figure at over two million.
Extra Examples
- It's one of numerous unofficial Harry Potter websites.
- The result for the athlete was an unofficial world best of 2 minutes 27 seconds.
- Unofficial reports indicated that up to 10 million people had been made homeless.
- Unofficial sources report that four people were killed in the accident
that is not part of somebody’s official business
- The former president paid an unofficial visit to China.

opposite official

单词	unofficial
释义	unofficial adjective /ˌʌnəˈfɪʃl/ /ˌʌnəˈfɪʃl/ [usually before noun] jump to other results that does not have permission or approval from somebody in authority an unofficial agreement/strike Unofficial estimates put the figure at over two million. Extra Examples It's one of numerous unofficial Harry Potter websites. The result for the athlete was an unofficial world best of 2 minutes 27 seconds. Unofficial reports indicated that up to 10 million people had been made homeless. Unofficial sources report that four people were killed in the accident that is not part of somebody’s official business The former president paid an unofficial visit to China. opposite official
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