spiralling
spi-ral-ling
adjective
Having the form of a spiral; winding around a central point.
"They climbed the spiralling staircase."
verb
Moving in a continuous curve, or rapidly increasing/decreasing, often uncontrollably.
"The situation was spiralling out of control."
Thesaurus
Synonyms: helical, voluted, coiling, whorled, spiral, volute, spiraling, turbinate, coiled