From Longman Dictionary of Contemporary Englishunpickun‧pick /ʌnˈpɪk/ verb [transitive] 1 DLHto 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.→ See Verb table
Examples from the Corpus
unpick• I remember a short, rhythmically complex passage patiently unpicked and reconstituted over half an hour.• She spent hours unpicking her pre-war frocks in order to remake them for her daughter.• She could quite see Aunt Tossie unpicking the oldest and least favoured work and starting the canvas over again.• Fru Gertlinger knew that Elisabeth did not want to unpick the past with her and she never made mention of it.• By contrast, historians want to unpick the public face that is presented.• However, when the garment was completed I didn't like it and took the decision to unpick the whole thing. 