I. exˌtreme ˈfighting BrE AmE noun [uncountable]
a competition, similar to ↑ boxing , in which two people are allowed to hit or kick each other and in which there are almost no rules
II. ˌultimate ˈfighting BrE AmE ( also extreme fighting ) noun [uncountable]
a competition, similar to ↑ boxing , in which two people hit or kick each other and in which there are almost no rules