The Collaborative International Dictionary of English v.0.48:

expanded \expanded\ adj.
   increased in extent or size or bulk or scope. Opposite of
   contracted. [Narrower terms: blown-up, enlarged;
   dilated; distended, swollen; inflated]
   [WordNet 1.5]

   2. (Printnig) wider than usual for a particular height; -- of
      printers' type. Contrasted with condensed.

   Syn: extended.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Expand \Ex*pand"\, v. t. [imp. & p. p. Expanded; p. pr. & vb.
   n. Expanding.] [L. expandere, expansum; ex out + pandere to
   spread out, to throw open; perh. akin to E. patent. Cf.
   Spawn.]
   1. To lay open by extending; to open wide; to spread out; to
      diffuse; as, a flower expands its leaves.
      [1913 Webster]

            Then with expanded wings he steers his flight.
                                                  --Milton.
      [1913 Webster]

   2. To cause the particles or parts of to spread themselves or
      stand apart, thus increasing bulk without addition of
      substance; to make to occupy more space; to dilate; to
      distend; to extend every way; to enlarge; -- opposed to
      contract; as, to expand the chest; heat expands all
      bodies; to expand the sphere of benevolence.
      [1913 Webster]

   3. (Math.) To state in enlarged form; to develop; as, to
      expand an equation. See Expansion, 5.
      [1913 Webster]

WordNet (r) 3.0 (2006):

expanded
    adj 1: increased in extent or size or bulk or scope [ant:
           contracted]

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "expanded":
   accelerated, aggrandized, ampliate, amplified, augmented,
   beefed-up, bloated, boosted, broadened, built-up, crescendoed,
   deepened, elevated, enhanced, enlarged, extended, heightened,
   hiked, increased, inflated, intensified, jazzed up, magnified,
   multiplied, proliferated, raised, reinforced, spread, stiffened,
   strengthened, swollen, tightened, upped, widened