hy·​per·​hi·​dro·​sis | \ˌhī-pər-hī-ˈdrō-səs \

Definition of hyperhidrosis 

: generalized or local excessive sweating

Examples of hyperhidrosis in a Sentence

Recent Examples on the Web

Life comes with addendums, and mine is a condition called hyperhidrosis. Rachel Nussbaum, Glamour, "How I Finally Gave In and Became a Sneaker Person," 8 Aug. 2018 Excessive sweating, also known asprimary axillary hyperhidrosis, impacts over 10 million Americans, according to Dermira, the maker of Qbrexza. Brittany Shoot, Fortune, "FDA Approves Qbrexza, the First-Ever Prescription Treatment for Excessive Sweating," 2 July 2018 Primary and secondary hyperhidrosis have a few differences. Nina Bahadur, SELF, "11 Potential Causes of Those Night Sweats That Leave You Drenched," 30 June 2018 The product offers a subtle solution to the millions of people who suffer from primary focal axillary hyperhidrosis, or excessive underarm sweating, which is currently often treated with Botox and other more invasive options. Jamie Ducharme, Time, "The FDA Approved a Topical Treatment for Excessive Underarm Sweating," 30 June 2018 It was announced this morning that the FDA has approved Qbrexza (glycopyrronium) cloth as a safe and effective topical treatment for hyperhidrosis under the arms. Chloe Metzger, Marie Claire, "The FDA Approves Qbrexza Wipes to Stop Excessive Underarm Sweating​​," 29 June 2018 The company will now focus on another drug in testing called DRM04, which treats hyperhidrosis, also known as excessive sweating. Chris Morris, Fortune, "Why This Acne Drug's Stock Is Plummeting," 5 Mar. 2018 Clammy hands, feet, and armpits are in my genes, thanks to hyperhidrosis, an excessive sweating condition that I was born with (there are dozens of us! Rachel Nussbaum, Glamour, "I Finally Found a Natural Deodorant That Works, and It Smells Incredible," 1 Mar. 2018 People who suffer from hyperhidrosis sweat about five times more than the average person, says Dee Anna Glaser, MD, President and Founding Member of the International Hyperhidrosis Society. Woman's Day, "Health + Fitness," 14 Aug. 2012

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

See More

First Known Use of hyperhidrosis

circa 1860, in the meaning defined above

History and Etymology for hyperhidrosis

New Latin hidrosis perspiration, from Greek hidrōsis, from hidroun to sweat, from hidrōs sweat — more at sweat

Keep scrolling for more

Learn More about hyperhidrosis

Share hyperhidrosis

Statistics for hyperhidrosis

Last Updated

17 Dec 2018

Look-up Popularity

Time Traveler for hyperhidrosis

The first known use of hyperhidrosis was circa 1860

See more words from the same year

Keep scrolling for more

More Definitions for hyperhidrosis


hy·​per·​hi·​dro·​sis | \-hid-ˈrō-səs, -hī-ˈdrō- \
variants: also hyperidrosis \-​id-​ˈrō-​, -​ī-​ˈdrō-​ \
plural hyperhidroses\-​ˌsēz \

Medical Definition of hyperhidrosis 

: generalized or localized excessive sweating — compare hypohidrosis

More from Merriam-Webster on hyperhidrosis

Britannica.com: Encyclopedia article about hyperhidrosis

Comments on hyperhidrosis

What made you want to look up hyperhidrosis? Please tell us where you read or heard it (including the quote, if possible).


having a pattern of small flowers

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!