The Collaborative International Dictionary of English v.0.48:

Gluey \Glu"ey\, a.
   Viscous; glutinous; of the nature of, or like, glue.
   [1913 Webster]

WordNet (r) 3.0 (2006):

gluey
    adj 1: having the sticky properties of an adhesive [syn:
           gluey, glutinous, gummy, mucilaginous, pasty,
           sticky, viscid, viscous]

Moby Thesaurus II by Grady Ward, 1.0:

89 Moby Thesaurus words for "gluey":
   adherent, adhesive, amylaceous, bulldogged, bulldoggish, bulldoggy,
   bullheaded, clabbered, clammy, clingy, close, close-knit,
   close-textured, close-woven, clotted, coagulated, compact,
   compacted, compressed, concentrated, concrete, condensed,
   congested, consolidated, crammed, crammed full, crowded, curdled,
   dense, doughy, firm, gaumy, gelatinous, glairy, gluelike,
   glutenous, glutinose, glutinous, gooey, grumous, gumbo, gumbolike,
   gumlike, gummous, gummy, hard, heavy, impenetrable, impermeable,
   inspissated, jam-packed, jammed, jelled, jellied, jellylike,
   massive, mucilaginous, nonporous, obstinate, packed, pasty,
   persistent, ropy, self-adhesive, serried, slabby, slimy, slithery,
   solid, starchy, stickable, sticky, stodgy, stringy, stubborn,
   substantial, syrupy, tacky, tenacious, thick, thick-growing,
   thickened, thickset, tough, tremelloid, tremellose, viscid,
   viscose, viscous