WordNet (r) 3.0 (2006):

rough out
    v 1: prepare in preliminary or sketchy form [syn: rough in,
         rough, rough out]

Moby Thesaurus II by Grady Ward, 1.0:

72 Moby Thesaurus words for "rough out":
   adumbrate, bat out, block in, block out, botch, brief, bungle,
   carve, cast, chalk out, characterize, chisel, create, cut,
   dash off, delineate, do anyhow, do by halves, do carelessly,
   do offhand, draft, efform, fake up, fashion, figure, fix, forge,
   form, formalize, found, frame, fudge up, hew, jury-rig, knead,
   knock off, knock out, knock together, lash up, lay out,
   lick into shape, line, mint, model, mold, outline, patch,
   patch together, patch up, pound out, rough in, roughcast, roughhew,
   sculpt, sculpture, set, shape, skeleton, sketch, slap up, stamp,
   tailor, thermoform, throw off, throw together, toss off, toss out,
   toss together, trace, trifle with, whomp up, work