The Collaborative International Dictionary of English v.0.48:

Pimply \Pim"ply\, a.
   Pimpled.
   [1913 Webster]

WordNet (r) 3.0 (2006):

pimply
    adj 1: (of complexion) blemished by imperfections of the skin
           [syn: acned, pimpled, pimply, pustulate]

Moby Thesaurus II by Grady Ward, 1.0:

61 Moby Thesaurus words for "pimply":
   blemished, broken, bumpy, checked, choppy, cicatrized, coarse,
   coarse-grained, corrugated, cracked, crazed, cross-grained,
   defaced, defective, deformed, disfigured, distorted, faulty,
   flawed, grainy, granulated, homespun, horripilant, inequal,
   irregular, jolty, keloidal, kinked, linsey-woolsey, marred,
   pimpled, pitted, pocky, potholed, rank, ripply, rough, rough-cast,
   rough-grained, rough-hewn, ruffled, rutted, rutty, scabbed, scabby,
   scarified, scarred, shagged, shaggy, split, textured, twisted,
   uneven, unkempt, unlevel, unpolished, unrefined, unsmooth,
   ununiform, warped, wimpled