verb (v)

• reverse the winding or twisting of(verb.contact)

  Example:
  Unwind a ball of yarn.
  

  Synonym:
  unroll, wind off
  Antonym:
  roll, twine, wind, wrap
  

  source: wordnet30
• separate the tangles of(verb.contact)

  Synonym:
  disentangle
  

  source: wordnet30
• become less tense, rest, or take one's ease(verb.body)

  Synonym:
  decompress, loosen up, relax, slow down, unbend
  Antonym:
  tense, tense up
  

  source: wordnet30
• cause to feel relaxed(verb.body)

  Synonym:
  loosen up, make relaxed, relax, unlax, unstrain
  Antonym:
  strain, tense, tense up
  

  source: wordnet30
• To wind off; to loose or separate, as what or convolved; to untwist; to untwine; as, to unwind thread; to unwind a ball of yarn.(verb)

  source: webster1913
• To be or become unwound; to be capable of being unwound or untwisted.(verb)

  source: webster1913