verb (used with object), un·knit·ted or un·knit, un·knit·ting.
verb (used without object), un·knit·ted or un·knit, un·knit·ting.
Examples from the Web for unknit
A loose, disordered, and unknit state needs no shaking, but propping.History of the United Netherlands, 1584-86, Vol. I. (of IV) Complete|John Lothrop Motley
Because the knot was knit by faith, and must only be unknit of death.
The most dolorous of all moral tragedies knit and unknit the most often in silence.Cosmopolis, Complete|Paul Bourget
Change must unknit the very knots of the center of the earth.The Call of the Canyon|Zane Grey
If they be true love knots 'tis unpossible to unknit them; if false, I never tied them.