Definition of auld lang syne in English:

auld lang syne

noun

mass noun
  • Times long past.

    ‘Should auld acquaintance be forgot and days of auld lang syne?’
    ‘Literally translated from Scottish dialect, the words auld lang syne mean old long since, or, in more familiar terms, days gone by.’

Phrases

    for auld lang syne
    • For old times' sake.

      ‘how about a bock, for auld lang syne, before we start our argument?’
      • ‘For auld lang syne, my dear, for auld lang syne, we'll take a cup of kindness yet, for auld lang syne…’
      • ‘But he is taking an uncharacteristic risk for the sake of auld lang syne.’

Origin

Late 18th century Scots (see auld, lang syne). The phrase was popularized as the title and refrain of a song by Robert Burns (1788).

Pronunciation

auld lang syne

/ˌɔːld laŋ ˈsʌɪn/