The Collaborative International Dictionary of English v.0.48:

Upland \Up"land\, a.
   1. Of or pertaining to uplands; being on upland; high in
      situation; as, upland inhabitants; upland pasturage.
      [1913 Webster]

            Sometimes, with secure delight
            The upland hamlets will invite.       --Milton.
      [1913 Webster]

   2. Pertaining to the country, as distinguished from the
      neighborhood of towns; rustic; rude; unpolished. [Obs.W2]
      " The race of upland giants." --Chapman.
      [1913 Webster]

   Upland moccasin. (Zool.) See Moccasin.

   Upland sandpiper, or Upland plover (Zool.), a large
      American sandpiper (Bartramia longicauda) much valued as
      a game bird. Unlike most sandpipers, it frequents fields
      and uplands. Called also Bartramian sandpiper,
      Bartram's tattler, field plover, grass plover,
      highland plover, hillbird, humility, prairie
      plover, prairie pigeon, prairie snipe, papabote,
      quaily, and uplander.

   Upland sumach (Bot.), a North American shrub of the genus
      Rhus (Rhus glabra), used in tanning and dyeing.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Upland \Up"land\, n.
   1. High land; ground elevated above the meadows and intervals
      which lie on the banks of rivers, near the sea, or between
      hills; land which is generally dry; -- opposed to
      lowland, meadow, marsh, swamp, interval, and the
      like.
      [1913 Webster]

   2. The country, as distinguished from the neighborhood of
      towns. [Obs.]
      [1913 Webster]

WordNet (r) 3.0 (2006):

upland
    adj 1: used of high or hilly country [syn: upland,
           highland(a)] [ant: lowland]
    n 1: elevated (e.g., mountainous) land [syn: highland,
         upland] [ant: lowland]

Moby Thesaurus II by Grady Ward, 1.0:

103 Moby Thesaurus words for "upland":
   Arcadian, agrarian, agrestic, agricultural, agricultural region,
   alkali flat, alluvial plain, arable land, basin, black belt,
   bottomland, bucolic, bushveld, campo, champaign, champaign country,
   citrus belt, coastal plain, corn belt, cotton belt, country,
   countryside, delta, desert, down, downs, dust bowl, farm,
   farm belt, farm country, farmland, fell, flat, flat country,
   flatland, flats, fruit belt, grass roots, grass veld, grassland,
   grazing region, heath, highland, highlands, hill-dwelling, lande,
   level, llano, lowland, lowlands, lunar mare, mare,
   meadows and pastures, mesa, mesilla, moor, moorland, moors,
   mountain-dwelling, open country, pampa, pampas, pastoral,
   peneplain, plain, plains, plateau, playa, prairie, prairies,
   province, provinces, provincial, rolling country, rural,
   rural district, rustic, rustic region, salt flat, salt marsh,
   salt pan, savanna, sebkha, steppe, steppes, table, tableland,
   the country, the soil, the sticks, tobacco belt, tree veld, tundra,
   uplands, vega, veld, weald, wheat belt, wide-open spaces, wold,
   woodland, woods and fields, yokeldom



U.S. Gazetteer Places (2000):

Upland, NE -- U.S. village in Nebraska
   Population (2000):    179
   Housing Units (2000): 88
   Land area (2000):     0.412573 sq. miles (1.068558 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.412573 sq. miles (1.068558 sq. km)
   FIPS code:            49880
   Located within:       Nebraska (NE), FIPS 31
   Location:             40.318371 N, 98.901922 W
   ZIP Codes (1990):     68981
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Upland, NE
    Upland


U.S. Gazetteer Places (2000):

Upland, CA -- U.S. city in California
   Population (2000):    68393
   Housing Units (2000): 25467
   Land area (2000):     15.118013 sq. miles (39.155472 sq. km)
   Water area (2000):    0.032921 sq. miles (0.085265 sq. km)
   Total area (2000):    15.150934 sq. miles (39.240737 sq. km)
   FIPS code:            81344
   Located within:       California (CA), FIPS 06
   Location:             34.113259 N, 117.658386 W
   ZIP Codes (1990):     91786
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Upland, CA
    Upland


U.S. Gazetteer Places (2000):

Upland, IN -- U.S. town in Indiana
   Population (2000):    3803
   Housing Units (2000): 824
   Land area (2000):     3.932304 sq. miles (10.184620 sq. km)
   Water area (2000):    0.008688 sq. miles (0.022501 sq. km)
   Total area (2000):    3.940992 sq. miles (10.207121 sq. km)
   FIPS code:            77966
   Located within:       Indiana (IN), FIPS 18
   Location:             40.467146 N, 85.500120 W
   ZIP Codes (1990):     46989
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Upland, IN
    Upland


U.S. Gazetteer Places (2000):

Upland, PA -- U.S. borough in Pennsylvania
   Population (2000):    2977
   Housing Units (2000): 1216
   Land area (2000):     0.670653 sq. miles (1.736983 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.670653 sq. miles (1.736983 sq. km)
   FIPS code:            78712
   Located within:       Pennsylvania (PA), FIPS 42
   Location:             39.856762 N, 75.379429 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Upland, PA
    Upland