The membership course is well known for its rigorous standards.

The trend in state education departments is to set rigorous standards that all students must meet.

The local underground was imposing its own more rigorous standards of security.

Now if only the same rigorous standards applied to dealing with below the line content.

A more rigorous standard of accountability is known as an audit.

Even after our experience yesterday, I don't think that what you've written would hold up to rigorous scholarly standards.

Somewhat intimidated by these rigorous standards, I gave them back.

That board has adopted the most rigorous standards in the country.

Other states place far less rigorous standards on their notaries.

In addition, the legislation calls for permit to include rigorous environmental standards.