setback

Meanings

1. An obstacle, delay, disadvantage, or blow (an adverse event which slows down, or prevents progress towards a desired outcome).
2. Any adverse event, defeat, or impediment of progress.
3. The required distance between a structure and a road.
4. A step-like recession in a wall.
5. An offset to the temperature setting of a thermostat to cover a period when more or less heating is required than usual.
6. A backset; a countercurrent; an eddy.
7. A backset; a check; a repulse; a relapse.

Etymology

Deverbal from set back. Compare drawback.