Use the adjective dun for something that's a dusty grey brown color, like a dun cow, or the dun entry rug that used to be white. ... It probably comes from German roots, and may be related to the word dusk, as a dun color has a dull quality that you might associate with dusk or fading light.

What does a dun mean in slang?

1 : someone who makes persistent demands upon people for payment : a person who duns (see dun entry 3) 2 : an urgent request especially : a demand for payment.

Is a dun a debt collector?

noun. 1 archaic A debt collector or an insistent creditor. 1.1A demand for payment. 'They start off with a dun from distributors for $2 at the door.