spiralling

verb

1. (UK, form-of, gerund, participle, present)present participle and gerund of spiral

   “Speaking to Parliament on March 23, Sunak announced a temporary cut in fuel duty of 5p per litre to hard-pressed motorists who have faced spiralling prices for diesel and petrol in recent weeks.”

noun

1. Movement in a spiral.

   “c. 1949-1950, Theodore Roethke, In the Bush of her Bones Dear witch, dear devious dove, I halfway know / The meaning of these giddy spirallings.”