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Synonyms

unofficial

British  
/ ˌʌnəˈfɪʃəl /

adjective

  1. not official or formal

    an unofficial engagement

  2. not confirmed officially

    an unofficial report

  3. (of a strike) not approved by the strikers' trade union

  4. (of a medicinal drug) not listed in a pharmacopoeia

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • unofficially adverb

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

James, who turns 41 on Dec. 30, has passed his unofficial “training camp” phase after he missed the first 14 games of the season because of right sciatica.

From Los Angeles Times

It has become one of the biggest shopping days of the year and for many is the unofficial start to the Christmas shopping season.

From BBC

Her father, Michael, said they chose her name as a nod to Australia, where the beloved folk song "Waltzing Matilda" is sung as an unofficial national anthem.

From Barron's

Some residents turned to unofficial apps like Watch Duty.

From Los Angeles Times

In many couples, one partner is the unofficial money manager.

From The Wall Street Journal