Definitions

1. noun

a hill or mound of earth, especially one formed by glacial deposits

“The dunn was a prominent landmark in the countryside.”

2. noun

a type of Scottish hill or mound, especially one with a steep slope

“The dunn provided a scenic viewpoint over the valley.”

3. verb

to make or become dull or less bright

“The paint began to dunn as it was exposed to sunlight.”

4. verb

to make or become less intense or vivid

“The colors in the painting started to dunn after years of display.”

5. verb

to dull the senses or the mind

“The loud music began to dunn his senses.”