Loose (adjective)

1. Not firmly or tightly fixed in place; unattached.
2. Not fitting closely or tightly; slack.
3. Not strict or confined; relaxed.
4. Not having all the parts or members that are needed or required.

Origin:

Middle english: from old english lās "free, unoccupied," from lāsian "to loose, set free", of germanic origin.

Examples:

1. He tightened the loose screw on the table leg.
2. She wore a loose shirt that was comfortable in the hot weather.
3. The manager has a loose management style, giving employees freedom to work at their own pace.
4. The company has a loose definition of success, allowing employees to define it for themselves.
5. She had a loose tooth that was causing her pain.