Definition of Waterloo, Battle of in English:

Waterloo, Battle of

Pronunciation /ˌbadl əv ˌwôtərˈlo͞o/ /ˌbædl əv ˌwɔtərˈlu/

proper noun

  • A battle fought on June 18, 1815, near the village of Waterloo (in what is now Belgium), in which Napoleon's army was defeated by the British (under the Duke of Wellington) and Prussians. The allied pursuit caused Napoleon's army to disintegrate entirely, ending his bid to return to power.


one's Waterloo or a Waterloo
  • A decisive defeat or failure.

    ‘his team met their Waterloo’
    • ‘he urged his fellow party members to dig in their heels and create a Waterloo for the president’
    • ‘Woods wasn't alone - Colin Montgomerie, David Toms and Phil Mickelson all met their Waterloos in the wet stuff - but like a true champion he bounced back.’
    • ‘But while awaiting this plan D, it is Europe that has suffered a Waterloo this June 18.’
    • ‘Building societies faced just such a Waterloo a few years ago, when at one stage it was as if the entire sector would be swallowed up by the banks.’
    • ‘From installation to usage to tweaking, this is a release that is fun for the techies and, well, much less of a Waterloo for novice users.’
    • ‘Whether it is a Waterloo or blue skies for the airline, Ryanair shareholders will be only too pleased to see de Palacio reporting to the full commission as soon as possible.’
    • ‘Alexander had barely a moment to piece this information together before Will's battle with the figure turned to a Waterloo.’
    • ‘But in the epic battle over the state's environmental policies, the recent decision by the state Supreme Court to restrict the clinic was a Waterloo for environmentalists.’
    • ‘The 1910 election was a Waterloo for the Taft administration's naval policy.’
    undoing, ruin, ruination, loss of power, loss of prosperity, loss of status