monopolize
🇺🇸
/məˈnɑːpəlaɪz/
🇬🇧
/məˈnɒpəlaɪz/
to control most of something and prevent others from having it
The large company tried to monopolize the market by buying all the smaller businesses.
to take all of someone's attention or time so they cannot help others
The talkative guest tried to monopolize the host's time at the party.