English

A man wearing long johns

Alternative forms

• longjohns

Noun

long johns pl ‎(plural only)

1. (US) Full-length undergarments worn to keep wearer warm in cold weather.
2. (US) A full-length undergarment worn on the bottom half of the body to keep wearer warm in cold weather.

Synonyms

• long underwear
• thermal underwear
• union suit

Translations