loosen

To make looser or less tight.

To free from restraint, pressure, or strictness.

To free (the bowels) from constipation.

To become loose or looser.

To do stretches or light exercise before a more strenuous activity.

To become less strict or tense, as in one’s demeanor; relax.

To make loose; free from tightness, tension, firmness, or fixedness: as, to loosen a knot; to loosen a joint; to loosen a rock in the earth.

To render less dense or compact: as, to loosen the soil about the roots of a plant.

To let loose; free from restraint or confinement.

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