dun
dun
verb
To repeatedly demand payment of a debt.
"The bank kept dunning him for the overdue loan."
noun
A horse with a dull, greyish-brown coat.
"She rode her dun across the fields."
adjective
Of a dull, greyish-brown colour.
"The horse had a beautiful dun coat."
Thesaurus
Synonyms: grayish brown, greyish brown, fawn, torment, frustrate, bedevil, crucify, rag, chromatic