Longman Dictionary of Contemporary English
                    semi-finalist
                    
                        
                
                                                                    noun
EXAMPLES FROM CORPUS
▪ But who comes through as the fourth semi-finalist is much more complicated.
▪ Karpov is the only semi-finalist who appears relaxed and confident.
▪ Twice she has been a semi-finalist and twice a quarter-finalist.
                    Wiktionary
                    semi-finalist
                    
                        
                
                                                                    alt. Somebody or something that appears in a semi-final of a competition. n. Somebody or something that appears in a semi-final of a competition.
Usage examples of "semi-finalist".
At home in Cardiff I had been semi-finalist in my age group, before Father brought me to Academy at thirteen.