Monopoly
Monopolize
noun, verbal noun
You are alone in what you occupy. Nobody but you occupies it. You have a monopoly. You monopolize it.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
うちの家族の場合は、父がテレビを独占しています。
In my family’s case, my father monopolizes the television.