1. a curve that winds around a center point, moving farther away as it revolves
2. a situation that continuously gets worse

1. having the shape of a spiral

1. to move in a spiral path
2. to continuously get worse or increase rapidly

Examples

• The staircase formed a beautiful spiral to the upper floor.
• The economy entered a downward spiral after the crisis.
• She drew a spiral pattern in her notebook.
• The airplane began to spiral downward.
• Costs have spiraled out of control this year.
• The smoke spiraled up from the chimney.
• The shell had a perfect spiral shape.