Meaning

• To make loose.

  "After the Thanksgiving meal, Bill loosened his belt."

• To become loose.

  "I noticed that my seatbelt had gradually loosened during the journey."

• To disengage (a device that restrains).

• To become unfastened or undone.

• To free from restraint; to set at liberty.

• To relieve (the bowels) from constipation; to promote defecation.

• To create a breach or rift between (two parties).

• To sail away (from the shore).