set·back 
/ˈsɛtˌbæk/ noun
plural set·backs /ˈsɛtˌbæk/ noun [count] : a problem that makes progress more difficult or success less likely
▪ Despite some early setbacks, they eventually became a successful company. ▪ a serious/minor/temporary setback
▪ Despite some early setbacks, they eventually became a successful company. ▪ a serious/minor/temporary setback
