The Collaborative International Dictionary of English v.0.48:

Drown \Drown\, v. i. [imp. & p. p. Drowned; p. pr. & vb. n.
   Drowning.] [OE. drunen, drounen, earlier drunknen,
   druncnien, AS. druncnian to be drowned, sink, become drunk,
   fr. druncen drunken. See Drunken, Drink.]
   To be suffocated in water or other fluid; to perish in water.
   [1913 Webster]

         Methought, what pain it was to drown.    --Shak.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

52 Moby Thesaurus words for "drowned":
   afloat, at flood, awash, bathed, buried, deluged, dipped, drenched,
   dribbling, dripping, dripping wet, engulfed, flooded, 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