Definition of in a sweatinformal
- He's in a sweat about his exams.
- There's no need to get in a sweat about minor details.
: to excrete moisture in visible quantities through the openings of the sweat glands : perspire
: to labor or exert oneself so as to cause perspiration
: to emit or exude moisture
: hard work : drudgery
: the fluid excreted from the sweat glands of the skin : perspiration
: moisture issuing from or gathering in drops on a surface
What made you want to look up in a sweat? Please tell us where you read or heard it (including the quote, if possible).