The Collaborative International Dictionary of English v.0.48:

flooded \flooded\ adj.
   1. covered or overflowing with water.

   Syn: afloat(predicate), awash(predicate).
        [WordNet 1.5]

   2. filled to overflowing as if with water; as, a desk flooded
      with applications.

   Syn: inundated, swamped.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Flood \Flood\, v. t. [imp. & p. p. Flooded; p. pr. & vb. n.
   Flooding.]
   1. To overflow; to inundate; to deluge; as, the swollen river
      flooded the valley.
      [1913 Webster]

   2. To cause or permit to be inundated; to fill or cover with
      water or other fluid; as, to flood arable land for
      irrigation; to fill to excess or to its full capacity; as,
      to flood a country with a depreciated currency.
      [1913 Webster]

WordNet (r) 3.0 (2006):

flooded
    adj 1: covered with water; "the main deck was afloat (or
           awash)"; "the monsoon left the whole place awash"; "a
           flooded bathroom"; "inundated farmlands"; "an overflowing
           tub" [syn: afloat(p), awash(p), flooded,
           inundated, overflowing]

Moby Thesaurus II by Grady Ward, 1.0:

52 Moby Thesaurus words for "flooded":
   afloat, at flood, awash, bathed, buried, deluged, dipped, drenched,
   dribbling, dripping, dripping wet, drowned, engulfed, immersed,
   in spate, inflood, inundated, macerated, oozing, overflowed,
   overwhelmed, permeated, saturated, seeping, soaked, soaking,
   soaking wet, soaky, sodden, soggy, sopping, sopping wet, soppy,
   soused, steeped, subaqueous, submarine, submerged, submersed,
   sunken, swamped, swept, undersea, underwater, washed, water-washed,
   waterlogged, watersoaked, weeping, weltering, whelmed,
   wringing wet