- 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.
Now it doesn’t really have any exclusive or defining titles, yet Microsoft spent billions scooping up IPs with nothing to show for it.
From Salon ● Jul. 13, 2026
He has said he "intends to win" the election, setting the stage for what could be the defining contest of his political life.
From Barron's ● Jul. 12, 2026
Their measurements revealed pairs of conducting edge states, a defining feature of topological crystalline insulators.
From Science Daily ● Jul. 11, 2026
Industry governance of AI is promising, but the Constitution limits how much authority Congress may vest in private actors, and the judiciary is still defining exactly where those boundaries lie.
From The Wall Street Journal ● Jul. 10, 2026
And in defining, in giving organization to the fury, it seemed to spin me around, and in my mind I was looking backward over the days since Clifton's death .
From "Invisible Man" by Ralph Ellison
