- 1a shape or design, consisting of a continuous curved line that winds around a central point, with each curve further away from the center The birds circled in a slow spiral above the house. A spiral of smoke rose from the chimney.
- 2a continuous harmful increase or decrease in something, that gradually gets faster and faster the destructive spiral of violence in the inner cities measures to control the inflationary spiral the upward/downward spiral of sales the vicious spiral of rising wages and prices
Check pronunciation: spiral