adjective:not firmly attached, tied, or restrained; able to move freely
The screws on the chair are loose and need to be tightened.
adjective:not fitting tightly or closely
She preferred to wear loose clothing for comfort.
adjective:not exact or precise
This is only a loose translation as I am not fluent in Japanese.
verb:to set free from confinement, restraint, or control
He loosed the dog from its leash.