Brexit

[ breg-zit, brek-sit ]
/ ˈbrɛg zɪt, ˈbrɛk sɪt /

noun

the probable withdrawal of the United Kingdom from membership in the European Union.
the nonbinding national referendum in 2016 that resulted in a vote for the United Kingdom to leave the European Union.

Origin of Brexit

2012; (originally also spelled Brixit, referencing Britain's possible withdrawal); Br(itain) or Br(itish) + exit1; probably patterned on Grexit, which dates from earlier that year
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019