un‧pick /ʌnˈpɪk/
verb [transitive]1. to take out stitches from a piece of cloth or
knitting2. to examine the different parts of a subject, deal etc, especially in order to find faults:
I didn’t want to unpick the past. There are fears that the president might unpick the treaty. [TahlilGaran] Dictionary of Contemporary English ▲