"Did you ever think that they might consider it a hostile act?"

We will not "commit any hostile act" against her, and so on.

For example, we might define the ultimate hostile act as the taking of life.

I know that what you did wasn't a hostile act.

French hostile acts during the days had already made war a fact.

To stop going was, of course, a hostile act, as he well knew.

Third Army troops had encountered no hostile act of any sort.

It looked at them, waiting perhaps for a hostile act.

After such time, your presence here will be considered a hostile act.

A continued presence beyond that, he said, would be taken as "a hostile act."