The Collaborative International Dictionary of English v.0.48:
Monopolistic \Mo*nop`o*lis"tic\ (m[-o]*n[o^]p`[-o]*l[i^]s"t[i^]k), a. Of or pertaining to a monopolist. --North Am. Rev. [1913 Webster]WordNet (r) 3.0 (2006):
monopolistic adj 1: having exclusive control over a commercial activity by possession or legal grant