Loosen vs. Untighten — What's the Difference?

To make looser or less tight

(transitive) To loosen; to make something less tight.

To free from restraint, pressure, or strictness

To make less tight or tense; to loosen.

To free (the bowels) from constipation.

To become loose or looser

(transitive) To make loose.

(intransitive) To become loose.

(transitive) To disengage (a device that restrains).

(intransitive) To become unfastened or undone.

(transitive) To free from restraint; to set at liberty.

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

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

To sail away (from the shore).

To make loose; to free from tightness, tension, firmness, or fixedness; to make less dense or compact; as, to loosen a string, or a knot; to loosen a rock in the earth.

To free from restraint; to set at liberty..

To remove costiveness from; to facilitate or increase the alvine discharges of.

To become loose; to become less tight, firm, or compact.

Make loose or looser;

Make less severe or strict;

Become less severe or strict;

Disentangle and raise the fibers of;

Cause to become loose;

Make less dense;

Become loose or looser or less tight;