per·​spi·​ra·​tion | \ ˌpər-spə-ˈrā-shən How to pronounce perspiration (audio) \

Definition of perspiration

1 : the action or process of perspiring
2 : a saline fluid secreted by the sweat glands : sweat

Examples of perspiration in a Sentence

She wiped the perspiration from her forehead.
Recent Examples on the Web Socks made from a blend of manmade fibers like polyester and spandex provide plenty of cushion, while also wicking moisture, in the form of perspiration, away from feet. The Editors, Field & Stream, "Three Great Gifts for Hikers," 20 Nov. 2019 The best boots have interiors with wicking materials to keep perspiration away from hunters’ feet, thereby keeping them more comfortable. The Editors, Field & Stream, "Great Gear for First Time Deer Hunters," 27 Dec. 2019 Credit Florida State, a team with multiple high-major wins already on its ledger, for that perspiration. Zach Osterman, Indianapolis Star, "IU basketball answers a lot of questions with impressive win over No. 19 Florida State," 4 Dec. 2019 But their mix of perspiration and inspiration is now better than Mr Krugman feared. The Economist, "The tigers’ future Where do the Asian tiger economies go from here?," 5 Dec. 2019 Putrid imagery drenched in blood and perspiration paint a statement of moral corrosion in a society still haunted by postwar ghosts. Carlos Aguilar, Los Angeles Times, "Review: Fatih Akin’s serial-killer saga ‘The Golden Glove’ pushes the limits of repulsion," 3 Oct. 2019 Bodies drenched in perspiration and wrecked by exhaustion speak louder than theoretical process. Carlos Aguilar,, "‘Monos’ review: Heaven, Earth and war collide," 19 Sep. 2019 Drippy perspiration can foil even simple business transactions. Morgan Mandriota,, "Hyperhidrosis Is a Disorder That Makes Me Sweat Constantly—and I've Finally Learned to Live With It," 21 Oct. 2019 This 100 percent natural wax creates a breathable barrier for your pets’ paws that allows perspiration to escape through pads, while providing relief for dry and cracked pads. Nicole Forsyth, The Mercury News, "Dollars and Pets: Paw, nose and ear protection," 5 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'perspiration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of perspiration

1583, in the meaning defined at sense 1

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Time Traveler for perspiration

Time Traveler

The first known use of perspiration was in 1583

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Statistics for perspiration

Last Updated

28 Jan 2020

Cite this Entry

“Perspiration.” Dictionary, Merriam-Webster, Accessed 16 Feb. 2020.

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How to pronounce perspiration (audio)

English Language Learners Definition of perspiration

somewhat formal
: the clear liquid that forms on your skin when you are hot or nervous
: the act or process of perspiring


per·​spi·​ra·​tion | \ ˌpər-spə-ˈrā-shən How to pronounce perspiration (audio) \

Kids Definition of perspiration

1 : the act or process of perspiring
2 : salty liquid given off from skin glands


per·​spi·​ra·​tion | \ ˌpər-spə-ˈrā-shən How to pronounce perspiration (audio) \

Medical Definition of perspiration

1 : the act or process of perspiring
2 : a saline fluid that is secreted by the sweat glands, that consists chiefly of water containing sodium chloride and other salts, nitrogenous substances (as urea), carbon dioxide, and other solutes, and that serves both as a means of excretion and as a regulator of body temperature through the cooling effect of its evaporation

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