That very act of defiance will be a mark in itself.

It was the first act of defiance I'd ever undertaken in my young life.

This would be his last act of defiance, he understood.

Getting on an airplane has become an act of defiance.

Everything he did was an act of defiance against his father.

This act of defiance was his own attempt to bring it closer.

Better to go out with dignity, in one last act of defiance.

So he came out every few minutes, in a small act of defiance, walked about for a bit, and then retired back inside.

In a rare act of public defiance, the company refused.

My dad left and, in the act of defiance, I remained.