perspire
verb
per·spire pər-ˈspī(-ə)r 
perspired; perspiring
intransitive verb
: to emit matter through the skin
specifically : to secrete and emit perspiration
Example Sentences
I was nervous and could feel myself start to perspire. She ran two miles and wasn't even perspiring.
Recent Examples on the Web Humans, Bethea writes, are tailor-made for this pursuit because of legs built from slow-twitch fibers and the ability to perspire. 
The Editors, Outside Online, 28 Jan. 2015 In muggy South Florida, the Spartans expect to perspire until the very end. Rainer Sabin, Detroit Free Press, 14 Sep. 2021 Symptoms include fatigue, dizziness, fainting, headache and either profuse sweating or the inability to perspire, system officials said. Liz Hardaway, San Antonio Express-News, 16 June 2021 If your feet perspire a lot on the slopes, get a pair of ski socks that will wick moisture away from your skin. Outdoor Life, 24 Feb. 2021 Has there ever been another athlete who did not perspire? Dan Shaughnessy, BostonGlobe.com, 12 Feb. 2021 By the end of the debate, Kennedy, tanned and relaxed, appeared to have triumphed over a sickly looking Nixon, who had been noticeably perspiring under Mr. Hymes’s lights. Richard Sandomir, New York Times, 2 Aug. 2019 Basically, a dormant woody tree or shrub sitting out in the cold of winter doesn’t perspire. Paul Cappiello, The Courier-Journal, 31 Jan. 2020 Melted into a blanket of perspiring nuttiness, splashed with a sea of dressing that spills out the sandwich’s sides. Kara Baskin, BostonGlobe.com, 13 Aug. 2019 See More
The Editors, Outside Online, 28 Jan. 2015 In muggy South Florida, the Spartans expect to perspire until the very end. Rainer Sabin, Detroit Free Press, 14 Sep. 2021 Symptoms include fatigue, dizziness, fainting, headache and either profuse sweating or the inability to perspire, system officials said. Liz Hardaway, San Antonio Express-News, 16 June 2021 If your feet perspire a lot on the slopes, get a pair of ski socks that will wick moisture away from your skin. Outdoor Life, 24 Feb. 2021 Has there ever been another athlete who did not perspire? Dan Shaughnessy, BostonGlobe.com, 12 Feb. 2021 By the end of the debate, Kennedy, tanned and relaxed, appeared to have triumphed over a sickly looking Nixon, who had been noticeably perspiring under Mr. Hymes’s lights. Richard Sandomir, New York Times, 2 Aug. 2019 Basically, a dormant woody tree or shrub sitting out in the cold of winter doesn’t perspire. Paul Cappiello, The Courier-Journal, 31 Jan. 2020 Melted into a blanket of perspiring nuttiness, splashed with a sea of dressing that spills out the sandwich’s sides. Kara Baskin, BostonGlobe.com, 13 Aug. 2019 See More Word History
Etymology
French perspirer, from Middle French, from Latin per- through + spirare to blow, breathe — more at per-
First Known Use
circa 1682, in the meaning defined above
Kids Definition
perspire
verb
per·spire pər-ˈspīr
perspired; perspiring
: to give off salty liquid through the skin
Medical Definition
perspire
intransitive verb
per·spire pər-ˈspī(ə)r
perspired; perspiring
: to emit matter through the skin
specifically : to secrete and emit perspiration