MONOPOLIZE

[UK and ANZ] usually -ise [verb] [T]In business, to monopolize something is to control it completely and to prevent other people having any effect on what happens.The company had monopolized the photography market for so many decades that they didn't worry about competition from other companies.If someone monopolizes a person or the conversation they talk a lot or stop other people being involved.She monopolized the visitors and we didn't have time to meet them.