Wiktionary
unforming
vb. (present participle of unform English)
Usage examples of "unforming".
Even as he did, the ghostly images swayed, sliding on the platinum, shifting in the mirrors, unforming and forming again.
Only after meeting Niall had I perfected the technique of forming or unforming the cloud, and it was only when he was present that I could do it effortlessly.
They had started only a few steps from the river, but after a minute or two had passed with nothing beneath their feet except for the slithering, unforming dunes, Orlando knew they had somehow turned in the wrong direction.