- 1(+ adv./prep.) to move in continuous circles, going upward or downward Smoke spiraled into the sky. The plane spiraled down to the ground.
- 2to increase rapidly the spiraling cost of health care + adv./prep. Prices are spiraling out of control. Phrasal Verbsspiral down/downward
NAmE//ˈspaɪrəl//[intransitive]Verb Forms present simple I / you / we / they spiral
he / she / it spirals
past simple spiraled ()spiralled
-ing form spiraling ()spiralling