defining moment

noun

: the time that shows very clearly what something is really about
That was the campaign's defining moment.

Examples of defining moment in a Sentence

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Supervillain Bane preparing to drop Batman over his knee spine-first has become a defining moment for the hero’s mythology. Daniel Dockery, Vulture, 24 Aug. 2026 Palmer said one defining moment for him was voting in favor of purchasing new railcars. Marni Pyke, Chicago Tribune, 16 Aug. 2026 Supporting employees through grief is a defining moment for company culture, significantly impacting engagement and loyalty. Mena Mirhom, Forbes.com, 29 July 2026 Open enrollment has traditionally been viewed as the defining moment in the benefits experience. Orla Nixon, Fortune, 29 July 2026 See All Example Sentences for defining moment

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“Defining moment.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/defining%20moment. Accessed 26 Aug. 2026.

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