What is the meaning of Loosen?

To make loose.

To become loose.

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).

Source: wiktionary.org