nonstarter

1 ENTRIES FOUND:
nonstarter /ˌnɑːnˈstɑɚtɚ/ noun
plural nonstarters
nonstarter
/ˌnɑːnˈstɑɚtɚ/
noun
plural nonstarters
Britannica Dictionary definition of NONSTARTER
[count]
1 
informal : someone or something that will not be effective or successful — usually singular
2 
US, sports : a player who is not chosen to play at the beginning of games : a player who is not one of the starters on a team