defining moment

Senior government figures know that driving a coach and horses through that manifesto promise will be visible from space and could be a, if not the defining moment for Sir Keir Starmer and Reeves.

The arrival of oxygen in Earth's atmosphere marked a defining moment in the planet's history, transforming it into a world capable of supporting complex life.

“What stands out is the essential quality of leadership on both sides of this defining moment,” Mr. Ellis writes.

That score, on a wet afternoon in October 1994, was a defining moment - for the scorer, for the sport, even for the BBC's commentator that day.

The defining moment for Sri Lanka came in the 14th over as Sciver-Brunt drilled Ranaweera to Udeshika Prabodhani at short mid-wicket, struck firmly but at a comfortable height before bursting through the fielder's hands.