English Reference
noun

setback

n.
US /ˈsɛtˌbæk/ UK /sˈɛtbæk/ set·back UK spelling setbacks

  1. 01 B2 Upper Intermediate

    something that happens which delays your progress or makes things more difficult.

    an event or circumstance that impedes progress or causes a temporary reversal in a process.

    Simple

    The project suffered a major setback when the main developer decided to leave the company.

    In context

    Despite the initial financial setback caused by the market crash, the firm managed to restructure and regain its competitive edge within two years.

  2. 02 C1 Advanced Technical Architecture

    a part of a tall building that is set back from the lower part, creating a step-like shape.

    a step-like recession in the profile of a high-rise building, often required by zoning laws to allow light to reach the street.

    Simple

    The skyscraper has several setbacks that make it look like a giant staircase.

    In context

    The architect utilised a series of setbacks to comply with local light-access regulations while creating outdoor terraces for the upper-floor residents.

  3. 03 C1 Advanced American EnglishTechnical Law

    the legal distance that a building must be kept away from a road or a property line.

    the minimum distance which a building or other structure must be set back from a street, river, or other boundary.

    Simple

    We couldn't build the garage there because it didn't meet the city's setback requirements.

    In context

    The zoning board denied the permit because the proposed extension violated the ten-foot setback required for residential corner lots.

  4. 04 C2 Proficiency Technical Computing

    a lower temperature setting on a heater for times when you are away or asleep.

    a programmed reduction in the target temperature of a climate control system during periods of low occupancy.

    Simple

    Setting a nightly setback on your thermostat can save a lot of money on heating bills.

    In context

    The smart home system automatically initiates a ten-degree setback once the security sensors detect that the building is unoccupied.

But the RSF’s setbacks in the capital did not amount to defeat.

Al Jazeera· 17 Aug 2026

After some early season setbacks, "proud" Wouter Vrancken believes Hearts are getting their rewards by securing Conference League progress.

BBC News· 26 Aug 2026

Deverbal from set back. Compare drawback.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated