Without a step-by-step demonstration, the procedure defies understanding by the lay mind.

But just 4.5 percent said he should defy a ruling by the court.

At one point the group of hostages defied an order by the guards to move to a different site yet another time.

Critical analysis defies indoctrination by the left or the right.

Yet here you are, with me still, defying the odds by existing.

His forward motion defies detection by the human eye.

Three of every four eligible voters turned out, defying boycott calls by Islamic militants.

However, the process defied control by even the most advanced computers.

It defies every expectation, by its designers or modern engineers.

Thousands of people in this country continue to defy the law by smoking marijuana.