defining moment

American  

noun

1. a point at which the essential nature or character of a person, group, etc., is revealed or identified.

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Etymology

Origin of defining moment

First recorded in 1980–85

Example Sentences

The situation has the potential to serve as a defining moment of Wirth’s legacy.

From The Wall Street Journal

In a letter obtained by BBC, Badenoch insisted the defections were "a minor setback, not a defining moment" for her party, and called for unity.

From BBC

There, his career reached a defining moment: wearing the iconic number 10 shirt and playing a decisive role in Milan's Serie A title.

From BBC

Left-arm seamer Starc has been devastating for his 31 wickets, Head's promotion to open in Perth was a defining moment in the series and Carey has been magnificent behind the stumps.

From BBC

“Today marks a defining moment as Versant becomes an independent, publicly traded media company,” Chief Executive Mark Lazarus said Monday.

From MarketWatch