- to make repeated and insistent demands upon, especially for the payment of a debt.
- a person, especially a creditor, who duns another.
- a demand for payment, especially a written one.
- dull, grayish brown.
- dark; gloomy.
- a dun color.
- a dun-colored horse with a black mane and tail.
- mayfly (def. 1).
- dun fly.
- to press or importune (a debtor) for the payment of a debt
- a person, esp a hired agent, who importunes another for the payment of a debt
- a demand for payment, esp one in writing
- a brownish-grey colour
- a horse of this colour
- angling
- an immature adult mayfly (the subimago), esp one of the genus Ephemera
- an artificial fly imitating this or a similar fly
- of a dun colour
- dark and gloomy
