She sketched the landscape on a sheet of plain paper before transferring it to canvas.

When negotiating the contract, I trusted him because he's a plain dealer who never hides fees or conditions.

The bosun coiled the plain-laid mooring line carefully to ensure it would not kink.

Farmers on the Ararat plain have cultivated grapes and wheat for generations.

Her plain-spoken feedback helped me improve quickly.

Her plain Dunstable manner made everyone trust her immediately.

When addressing the villagers, he used plain Dunstable so no one would be confused.

Her guilt was plain as porridge to everyone in the courtroom.

When proofreading historical texts, I still mark sentences with a plain point to indicate where a sentence ends.

In his lecture, he emphasized the plain points of the argument before moving on to its more complex aspects.