Pajamas vs. Sweatpants

Pajamasnoun

Clothes for wearing to bed and sleeping in, usually consisting of a loose-fitting shirt and pants/trousers.

Pajamasnoun

Loose-fitting trousers worn by both sexes in various southern Asian countries including India.

Pajamas

Originally, in India, loose drawers or trousers, such as those worn, tied about the waist, by Mohammedan men and women; by extension, a similar garment adopted among Europeans, Americans, etc., for wear in the dressing room and during sleep; also, a suit consisting of drawers and a loose upper garment for such wear.

Pajamasnoun

loose-fitting nightclothes worn for sleeping or lounging; have a jacket top and trousers

Pajamasnoun

lightweight trousers worn in various Eastern countries

Pajamas

Pajamas (US) or pyjamas (Commonwealth) (), sometimes shortened to PJs, jammies, or Jim-jams, are several related types of clothing originating from South Asia. Adopted in the Western world, pajamas are soft, warm, and traditionally loose garments derived from the Indian and Persian bottom-wear, the pyjamas.

Sweatpantsnoun

(US) Informal cotton trousers, with an elasticated or drawstring waist, used for exercise etc.

Sweatpants

Sweatpants are a casual variety of soft trousers intended for comfort or athletic purposes, although they are now worn in many different situations. In the United Kingdom, Ireland, Australia, New Zealand, and South Africa they are known as tracksuit bottoms.