adj. , n. /up"kun'tree/ ; adv. /up kun"tree/ , adj. Chiefly Southern U.S.
1. of, relating to, residing in, or situated in the interior of a region or country; inland.
2. Disparaging. unsophisticated.
n.
3. the interior of a region or country.
adv.
4. toward, into, or in the interior of a country: The explorers trekked upcountry.
[ 1680-90; UP- + COUNTRY ]