The Collaborative International Dictionary of English v.0.48:

bootleg \bootleg\ adj.
   distributed or sold illicitly; especially, imported
   illegally.

   Syn: black-market, contraband, smuggled.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

bootleg \bootleg\ v.
   1. to sell illicit products such as drugs or alcohol.

   Syn: smuggle.
        [WordNet 1.5]

   2. to produce alcohol illegally.
      [WordNet 1.5]

WordNet (r) 3.0 (2006):

bootleg
    adj 1: distributed or sold illicitly; "the black economy pays no
           taxes" [syn: bootleg, black, black-market,
           contraband, smuggled]
    n 1: whiskey illegally distilled from a corn mash [syn:
         moonshine, bootleg, corn liquor]
    2: the part of a boot above the instep
    v 1: sell illicit products such as drugs or alcohol; "They were
         bootlegging whiskey"
    2: produce or distribute illegally; "bootleg tapes of the diva's
       singing"

Moby Thesaurus II by Grady Ward, 1.0:

51 Moby Thesaurus words for "bootleg":
   actionable, against the law, anarchic, anarchistic, anomic,
   bathtub gin, black-market, black-marketeer, blockade, brew,
   chargeable, contraband, contrary to law, criminal, distill,
   felonious, fence, flawed, hooch, illegal, illegitimate, illicit,
   impermissible, irregular, justiciable, lawless, moonlight,
   moonshine, mountain dew, nonconstitutional, nonlegal, nonlicit,
   outlaw, outlawed, punishable, push, run, shove, triable, unallowed,
   unauthorized, unconstitutional, under-the-counter, under-the-table,
   unlawful, unofficial, unstatutory, unwarrantable, unwarranted,
   white lightning, wrongful