- clothing for wearing in bed, consisting of usually loose-fitting pants or shorts and matching top: my favorite pair of flannel pajamas.
- any clothing worn for sleeping or lounging: The only pajamas I brought are a pair of boxers and a T-shirt.
- a jumpsuit or two-piece outfit with loose-fitting bottoms: beach pajamas.
- loose-fitting trousers, usually of silk or cotton, worn in parts of Asia.
- the US spelling of pyjamas