- present participle of define.
defining
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They cast a broad net in defining the national-security initiative, including not only defense and mining companies but also artificial intelligence and tech firms and pharmaceutical manufacturers.
From The Wall Street Journal • Jun. 30, 2026
Unlike the others, Stokes never produced a defining Ashes series - his performances against Australia came in isolation - but he was a better captain than Botham and Flintoff.
From BBC • Jun. 29, 2026
The defining moment in Victor Marx’s surreal quest to be Colorado’s governor came a few weeks ago, during a rare sit-down interview with a journalist.
From Slate • Jun. 29, 2026
While there is an opportunity for smart glasses to become a defining wearable of the AI era, she doesn’t believe they’ll replace smartphones.
From MarketWatch • Jun. 27, 2026
My time in Brooklyn had become a defining moment for me.
From "How Dare the Sun Rise" by Sandra Uwiringiyimana
![]()