setback

/ˈsɛtbæk/
noun
  1. A problem or difficulty that delays or prevents progress, or reverses an achievement.
    • The project experienced a financial setback due to unexpected costs.
    • Losing the game was a setback, but they practiced harder for the next match.
    • The team faced a major setback when their lead researcher resigned.
  2. A feature of a building or structure where a wall is set back from the street or from the rest of the building, often for design or legal reasons.
    • The city requires a 10-foot setback from the sidewalk for new houses.
    • The building's setback allows more sunlight to reach the street.
    • The architect added a setback to the upper floors to create a terrace.
Antonyms
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