Definition of "monopolistic"

There was a prevailing fear of the effect of large undertakings becoming monopolistic, and Parliament showed itself unwilling to sanction any large groupings.

1948 January and February, “British Railways”, in Railway Magazine, page 1

But electric vehicles and the batteries that made them run became ensnared in corporate scandals, fraud, and monopolistic corruption that shook the confidence of the nation and inspired automotive upstarts.

2006, Edwin Black, chapter 1, in Internal Combustion‎

Dominguez-González explained: "The Spanish market is no longer a monopolistic one, and there is great interest among both the existing open access operators and potential future ones in providing services on other lines."

2023 July 26, Ben Jones, “EU open access growth offers pointers for UK hopefuls”, in RAIL, number 988, pages 32–33