Sentence examples for ironclad formula from inspiring English sources

With an ironclad formula and a large, veteran ensemble, "CSI" can ride out changes better than most shows.

It's an ironclad rule.

This isn't an ironclad rule.

He has an ironclad rule that the customer comes first.

The rule is almost ironclad: concept cars boast unrealistic horsepower.

It's ironclad fun.

The logic is ironclad.

The math is ironclad.

IRONCLAD Opens on Friday nationwide.

"We have an ironclad, too," he said.

One of his findings is less ironclad.