SETBACK

[noun] [C] - something that happens which delays or prevents a process from advancingSally had been recovering well from her operation, but yesterday she experienced/suffered a setback.Their hopes of winning the championship have received a serious setback.Teachers' opposition to the proposed changes to the education system has been a setback for the government.There has been a slight/temporary setback in our plans.These events are a major setback to the establishment of a peaceful settlement of the conflict.See also set back at set (POSITION); set back.