unpick

verb7

1. •
   To undo sewing stitches.
2. •
   To undo knitting in order to reuse the wool.
3. •
   To unravel or untangle the threads of a rope etc.
4. •
   (figurative) To disassemble, to undo.

   • Any plan to unpick the carefully constructed compromise to keep the Irish border free of checkpoints will enrage other European governments, especially Dublin’s. — 2020
5. •
   (figurative) To unfold; to solve.

   • Scientists are attempting to unpick the mystery of the “photic sneeze” – a bizarre reflex that causes people to sternutate, or sneeze, in response to bright light – and they need your help. — 2020
6. •
   (figurative) To take apart; criticize harshly.

   • These compulsive men – and a handful of equally obsessive ‘femcels’ – have been likened to terrorists, and their forum posts have been unpicked ad nauseam. — 2020
7. •
   To deselect.