setback
//ˈsɛtˌbæk//
Noun
setbackSingular
setbacksPlural
1
A reversal or check in progress; a difficulty or obstacle that delays or prevents advancement.
Despite the setback, the team continued to work toward their goal.
2
A receding section of a building, especially one that steps back from the main facade at a higher level.
The building's setbacks create terraces on the upper floors.