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in vino veritas

American  
[in wee-noh we-ri-tahs, in vahy-noh ver-i-tas, -tahs, vee-noh] / ɪn ˈwi noʊ ˈwɛ rɪˌtɑs, ɪn ˈvaɪ noʊ ˈvɛr ɪˌtæs, -tɑs, ˈvi noʊ /
Latin.
  1. in wine there is truth.


in vino veritas British  
/ ɪn ˈviːnəʊ ˈvɛrɪˌtæs /
  1. in wine there is truth; people speak the truth when they are drunk

"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

in vino veritas Cultural  
  1. A Latin phrase suggesting that people are more likely to say what they really feel under the influence of alcohol. It means, “There is truth in wine.”