I once again / Defie thee to the trial of mortal fight.
1900, Edith King Hall, Adventures in Toyland Chapter 6
"So you actually think yours is good-looking?" sneered the Baker. "Why, I could make a better-looking one out of a piece of dough."
"I defy you to," the Hansom-driver replied. "A face like mine is not easily copied. Nor am I the only person of that opinion. All the ladies think that I am beautiful. And of course I go by what they think."
2005, (w), Presidential Radio Address - 19 March 2005
Before coalition forces arrived, Iraq was ruled by a dictatorship that murdered its own citizens, threatened its neighbors, and defied the world.
(quote-magazine)|author=Lexington
To not conform to or follow a pattern, set of rules or expectations.
1955, Anonymous, The Urantia Book Paper 41
By tossing this nineteenth electron back and forth between its own orbit and that of its lost companion more than twenty-five thousand times a second, a mutilated stone atom is able partially to defy gravity and thus successfully to ride the emerging streams of light and energy, the sunbeams, to liberty and adventure.
“To be determined,” Kane said, “is whether Griner and her towering skill and engaging personality will defy the odds and attract corporate sponsors as part of widespread public acceptance four decades after passage of the gender-equity legislation known as Title IX.”