http://dictionary.reference.com/browse/loose[loos] Show IPA
adjective, loos·er, loos·est.
1. free or released from fastening or attachment: a loose end.
2. free from anything that binds or restrains; unfettered: loose cats prowling around in alleyways at night.
3. uncombined, as a chemical element.
4. not bound together: to wear one's hair loose.
5. not put up in a package or other container: loose mushrooms.