spiral

Definitions

1. A curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point.
2. A helix.
   informal
3. A self-sustaining process with a lot of momentum involved, so it is difficult to accelerate or stop it at once.
4. A section of track that forms a circle and crosses over itself, used for gaining height in mountainous territory.

Equivalents

Examples

“My beloved friends and family who sustained and grounded me as I fell into the rabbit hole of this project or down the spiral of new parenthood.”

CEFR level