verb (v)

• release from something that holds fast, connects, or entangles(verb.contact)

  Example:
  I want to disengage myself from his influence.
  Disengage the gears.
  

  Synonym:
  withdraw
  Antonym:
  engage, lock, mesh, operate
  

  source: wordnet30
• free or remove obstruction from(verb.contact)

  Synonym:
  free
  Antonym:
  block, close up, impede, jam, obstruct, obturate, occlude
  

  source: wordnet30
• become free(verb.change)

  Example:
  In neutral, the gears disengage.
  

  Antonym:
  engage
  

  source: wordnet30
• To release from that with which anything is engaged, engrossed, involved, or entangled; to extricate; to detach; to set free; to liberate; to clear; as, to disengage one from a party, from broils and controversies, from an oath, promise, or occupation; to disengage the affections a favorite pursuit, the mind from study.(verb)

  source: webster1913
• To release one's self; to become detached; to free one's self.(verb)

  source: webster1913