WordReference Random House Unabridged Dictionary of American English © 2025
un•knit 
(un nit′),USA pronunciation v., -knit•ted or -knit, -knit•ting. 
v.t.
v.i.
 un•knit′ta•ble, adj. 
            v.t.
- to untie or unfasten (a knot, tangle, etc.);
 unravel (something knitted);
 undo.
- to weaken, undo, or destroy.
- to smooth out (something wrinkled).
v.i.
- to become undone.
- Middle English unknytten, Old English uncnyttan. See un-2, knit bef. 1000