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unofficial

/ (ˌʌnəˈfɪʃəl) /
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adjective
not official or formalan unofficial engagement
not confirmed officiallyan unofficial report
(of a strike) not approved by the strikers' trade union
(of a medicinal drug) not listed in a pharmacopoeia
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Derived forms of unofficial

unofficially, adverb
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

How to use unofficial in a sentence

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