The word "semifinal" refers to a stage of a competition in which contestants compete to reach the final. Some synonyms for "semifinal" include "preliminary final," "semifinal round," and "penultimate round." "Preliminary final" is used particularly in sports, where the term describes a stage that precedes the final. "Semifinal round" is a more general synonym for semifinal, while "penultimate round" refers to a stage that is second to the last. Other synonyms for semifinal might include "semifinal match," "semifinal game," or "semifinal set," depending on the context of the competition. Regardless of the word chosen, a semifinal is always an exciting and important stage in any competition.