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.

Astronomers study the formation of walled plains to understand the Moon's impact history.

The fertile soils of the Manchurian Plain have supported agriculture for centuries.

From the observatory's dome, she sketched the huge walled plain on the Moon, noting its broad, smooth floor and the high, broken rim.

The solution to the puzzle was plain as day once she pointed out the missing clue.

At the coffee shop, I requested plain water, and the server filled my glass from the tap.