Of a dark color; of a color partaking of a brown and black; of a dull brown color; swarthy.

Dark; gloomy. In the dun air sublime.

To cure, as fish, in a manner to give them a dun color. ]

Literally, to clamor for payment of a debt. Hence, to urge for payment; to demand a debt in a pressing manner; to urge for payment with importunity. But in common usage, dun is often used in a milder sense, and signifies to call for, or ask for payment.

To urge importunately, in a general sense, but not an elegant word.

An importunate creditor who urges for payment.

An urgent request or demand of payment in writing; as, he sent his debtor a dun.

An eminence or mound.