The Collaborative International Dictionary of English v.0.48:

Doughy \Dough"y\ (d[=o]"[y^]), a.
   Like dough; soft and heavy; pasty; crude; flabby and pale;
   as, a doughy complexion.
   [1913 Webster]

WordNet (r) 3.0 (2006):

doughy
    adj 1: having the consistency of dough because of insufficient
           leavening or improper cooking; "the cake fell; it's a
           doughy mess" [syn: doughy, soggy]

Moby Thesaurus II by Grady Ward, 1.0:

76 Moby Thesaurus words for "doughy":
   adhesive, amylaceous, ashen, ashy, baccate, blanched, clabbered,
   clammy, clayey, clotted, coagulated, colorless, curdled, flabby,
   fleshy, gaumy, gelatinous, glairy, gluelike, gluey, glutenous,
   glutinose, glutinous, gooey, grumous, gumbo, gumbolike, gumlike,
   gummous, gummy, heavy, inspissated, jelled, jellied, jellylike,
   livid, loamy, lurid, macerated, masticated, mucilaginous, mushy,
   pallid, pasty, pithy, pulpal, pulpar, pulped, pulplike, pulpy,
   ropy, slabby, slimy, slithery, soft, spongy, squashy, squelchy,
   squishy, starchy, sticky, stodgy, stringy, succulent, syrupy,
   tacky, tenacious, thick, thickened, tough, tremelloid, tremellose,
   viscid, viscose, viscous, waxen