Mandela, who lost a son to AIDS, defied Mbeki to attend global AIDS conferences.
But here was Gabby, who has defied the odds, and one of the two things that she remembers from that day is where she parked.
It defied a decade of warnings by the United States and the strong advice of China.
But some presidents have defied the odds of dealing with an opposition-controlled Congress in their second terms.
On health care, to be fair, Obama defied the polls and did something brave.
She stood up in front of the scornful, handsome, hard-eyed woman and defied her.
He had been defied, trapped, made a victim of the gang who had killed his most valued informer.
He complained bitterly to the Florentine ambassador, of the haughty friar who rebuked and defied him.
How it came, how it was passed from hearth to hearth, defied our penetration.
Again his voice went up into the night, as if he defied the poor defences of the dark.