1. Undo (the stitches) of (a piece of sewing)
   "She unpicked the seam to adjust the fit of the dress"
    
2. Become or cause to become undone by separating the fibers or threads of
   "unpick the thread";
   - unravel, unknot, unscramble, untangle

Derived forms: unpicked, unpicking, unpicks

Type of: undo