Not fixed in place tightly or firmly.
This wheelbarrow has a loose wheel.
Not held or packaged together.
'You can buy apples in a pack, but they are cheaper loose.
Not under control.
The dog is loose again.
Not fitting closely
'I wear loose clothes when it is hot.
Not compact.
'It is difficult walking on loose gravel.
Relaxed.
She danced with a loose flowing movement.
Not precise or exact; vague; indeterminate.
a loose way of reasoning
Indiscreet.
Loose talk costs lives.
(somewhat dated) Free from moral restraint; immoral, unchaste.
Not being in the possession of any competing team during a game.
He caught an elbow going after a loose ball.
Not costive; having lax bowels.
One who looses, who sets loose or frees.