unofficial

/ (ˌʌnəˈfɪʃəl) /


adjective
  1. not official or formal: an unofficial engagement

  2. not confirmed officially: an unofficial report

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

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

Derived forms of unofficial

  • unofficially, adverb

Words Nearby unofficial

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