"This or any other system is purely defensive in nature," he said.

It was a purely defensive reaction, to keep out anything else that might harm them.

She didn't know how much longer they could keep this on a purely defensive footing.

From there, we can carry out a purely defensive operation.

Even if we'd had the ships, we were fighting a purely defensive war.

"This is a purely defensive merger," said a senior executive at a leading American bank.

He went into a purely defensive stance and waited for the man to act.

But it said that the new Arab force would be purely defensive in nature.

Scientists have long theorized that the light is purely defensive in nature.

The army that had invaded France in 1914 was now fighting a purely defensive war.