free verse
vers libre

It should be noted here that Hopkins's books are written in free verse.

The novel Crank is written in a form of free verse.

She was the first person he'd met ever to claim open hostility to his free verse.

During the modern period, there also has developed free verse in Western style.

Then there is also free verse, which is longer and much less popular.

After this he often used a personal form of free verse.

This was the first collection in which he made use of what he calls free verse.

He is regarded as a master of Russian free verse.

Some poets have considered free verse restrictive in its own way.

You can't write free verse by counting the beat on your fingers.