use of physical or mental energy; hard work
"he got an A for effort"
"they managed only with great exertion"
Fluid that exits the body through pores in the skin usually due to physical stress and/or high temperature for the purpose of regulating body temperature and removing certain compounds from the circulation.
"The runner's face glistened with sweat as he pushed through the final mile of the race under the scorching sun."
In plain English: Sweat is the liquid your body makes and releases through your skin to help you cool down when it's hot or during exercise.
"He wiped away the sweat on his forehead after running in the heat."
Usage: Use this noun specifically when referring to bodily fluid produced by sweat glands, not as a verb meaning "to perspire." It is often confused with similar terms like "perspiration," which carries a more formal tone.
A surname.
"The famous actor John Sweat was known for his role in several classic films."
The word "sweat" comes from Middle English and Old English, where it originally meant to perspire. Its roots trace back to a Proto-Indo-European term specifically meaning "to sweat."