The definition of dun is a dull grayish-brown.
(adjective)An example of something dun is moldy chocolate.
Dun is defined as a dull grayish-brown color or something that is that color.
(noun)An example of dun is brown hair that is starting to grey.
See dun in Webster's New World College Dictionary
adjective
Origin: ME & OE, akin to OS, chestnut-brown, ult. (? via Celt) < IE *dhus-no < base *dhus, dust-colored: see fury
noun
Related Forms:
See dun in American Heritage Dictionary 4
transitive verb dunned dunned, dun·ning, duns
Origin:
Origin: Origin unknown
.noun
Origin:
Origin: Middle English
Origin: , from Old English dunn
Origin: , perhaps of Celtic origin
.Learn more about dun