untangle

Verb

• become or cause to become undone by separating the fibers or threads of
  • unravel the thread
    

• release from entanglement of difficulty
  • I cannot extricate myself from this task
    

Related words

• Synonyms: 
  unravel , unknot , unscramble , unpick , extricate , disentangle , disencumber
• Antonyms: 
  ravel , tangle , knot