- IPA: /ˈspaɪɹəl/
spiral (plural spirals)
- (geometry) A curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point.
- (informal) A helix.
- A self-sustaining process with a lot of momentum involved, so it is difficult to accelerate or stop it at once.
- Italian: spirale
spiral (not comparable)
- Helical, like a spiral
spiral (spirals, present participle spiraling; past and past participle spiraled)
- (intransitive) To move along the path of a spiral or helix.
- The falling leaves spiralled down from the tree.
- (transitive) To cause something to spiral.
- You need to learn how to spiral a ball.
- (figuratively, intransitive) To increase continually.
- Her debts were spiralling out of control.
- French: spiraler
- Italian: aumentare vertiginosamente