(Especially of clothing) not fitting tightly; baggy:wear loose-fitting, comfortable clothing when travelling...
Here, the 100 percent cotton floral is fashioned into a loose-fitting slipcover.
The pyjama, from which the English word "pajamas" is derived, is a pair of loose-fitting trousers.
The very helpful, unobtrusive wait staff are dressed in identical loose-fitting saffron-colored costumes, like the members of some gentle religious sect.