Definition of tempus fugit in US English:

tempus fugit

exclamation

  • Time flies (used to draw attention to the rapid passage of time)

    ‘Tempus fugit! It seems no time since we were cursing the long, dark winter evenings—now here we are in flaming June’
    • ‘I remember going to her 18th birthday, and next month she hits 50 - tempus fugit!’
    • ‘When you are about to have a baby, anyone who has faced parenthood before you will tell you one truth among all the horror stories and old wives tales: tempus fugit.’
    • ‘The little digital clock that pops into view periodically in "24" may be aimed at keeping narrative tension high, but it also serves as an unsubtle reminder that tempus fugit.’
    • ‘1964 doesn't sound like a half century ago, but tempus fugit, as Pliny the Elder might have said if he'd made it out of the first century.’
    • ‘Tempus fugit. Only 222 days to Christmas.’
    • ‘I know it's coming up to Christmas and you are all busy but tempus fugit and all that. Before you realise it will be June again.’

Origin

Late 18th century: Latin, from tempus ‘time’ + fugere ‘flee, fly’, after fugit inreparabile tempus ‘irretrievable time is flying’ (Virgil, Georgics 3.284).

Pronunciation

tempus fugit

/ˌtempəs ˈfyo͞ojit/