a person who has a monopoly.
an advocate of monopoly.

Origin of monopolist

First recorded in 1595–1605; monopol(y) + -ist
Related formsmo·nop·o·lis·tic, adjectivemo·nop·o·lis·ti·cal·ly, adverban·ti·mo·nop·o·list, noun, adjectivean·ti·mo·nop·o·lis·tic, adjectivenon·mo·nop·o·lis·tic, adjectivepro·mo·nop·o·lis·tic, adjectivesem·i·mo·nop·o·lis·tic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for semi-monopolistic

Historical Examples of semi-monopolistic

  • But the semi-monopolistic capitalism of to-day is far richer than was its competitive predecessor.

    Socialism As It Is

    William English Walling

  • In this way a semi-monopolistic corporation would not have any interest in seeking profits beyond a certain percentage.

    The Promise Of American Life

    Herbert David Croly