Line dominance can be described using a variety of synonyms such as "commanding," "dominant," "superior," "prevailing," "sovereign," and "supreme." These words all describe a state where one entity or group holds a significant advantage over others in a particular domain. In the context of sports, a team that has line dominance often has an overwhelming advantage over their opponents in the area of the field where the game is being played. In business, a company that establishes line dominance has a significant market share or competitive edge over its competitors, enabling it to maintain its position as a leading player in the industry.