Definition of dunned:
(n) :
(countable) A collector of debts, especially one who is insistent and demanding.
(n) :
An urgent request or demand of payment.
(v) :
(transitive) To ask or beset a debtor for payment.
(v) :
(transitive) To harass by continually repeating e.g. a request.
(n) :
A brownish grey colour.
(adj) :
Of a brownish grey colour.