What is the meaning of loosen?

verb

• Make loose or looser.
  • usage: "loosen the tension on a rope"
  • synonyms: loose
• Make less severe or strict.
  • usage: "The government relaxed the curfew after most of the rebels were caught"
  • synonyms: relax
• Become less severe or strict.
  • usage: "The rules relaxed after the new director arrived"
  • synonyms: relax
• Disentangle and raise the fibers of.
  • usage: "tease wool"
  • synonyms: tease, tease apart
• Cause to become loose.
  • usage: "undo the shoelace"; "untie the knot"; "loosen the necktie"
  • synonyms: untie, undo
• Make less dense.
  • usage: "loosen the soil"
• Become loose or looser or less tight.
  • usage: "The noose loosened"; "the rope relaxed"
  • synonyms: relax, loose