Trifecta is a term used in horse racing that refers to correctly selecting the first, second, and third-place finishers in a race. However, in everyday language, trifecta can also refer to a combination of three things that are considered highly desirable or successful. Some synonyms for trifecta include triad, trio, triumvirate, triple crown, hat trick, and three-peat. These words allude to the idea of three things that are closely related and complementary, like the three points of a triangle or the three primary colors. So if you're looking for a way to express success or achievement in a group of three, try using one of these synonyms for trifecta.