verb (v)

• release from entanglement of difficulty(verb.contact)

  Synonym:
  disencumber, disentangle, extricate
  

  source: wordnet30
• become or cause to become undone by separating the fibers or threads of(verb.contact)

  Synonym:
  unknot, unpick, unravel, unscramble
  Antonym:
  knot, ravel, tangle
  

  source: wordnet30
• To loose from tangles or intricacy; to disentangle; to resolve; as, to untangle thread.(verb)

  source: webster1913