In modern American politics, the term Jacobin is often used to describe extremists of any party who demand ideological purity.

If we are going to demand absolute purity in the Attorney General from now on, that is a fine thing.

But until the U.S. renounces such sales for itself, it cannot credibly demand purity from China.

He demanded utter simplicity and purity of himself, as he would later of his devotees.

Criticism of these decisions has come from those on both the right (demanding ideological purity) and left (pressing a coherent vision of welfare-state social democracy).

It is not possible to demand absolute purity from donors; no such money exists.

Even some other environmentalists believe that Clean Ocean Action is demanding impossible purity in what is used for the protective cover of the Mud Dump.

This is not to demand moral purity.

In industry demanding purity (food, pharmaceutical, drinking water), high-quality hydrochloric acid is used to control the pH of process water streams.

Moreover, the sacred quest on which he had now entered demanded of him perfect purity of life.