hy·​per·​mo·​bil·​i·​ty ˌhī-pər-mō-ˈbi-lə-tē How to pronounce hypermobility (audio)
plural hypermobilities
: an increase in the range of movement of which a body part and especially a joint is capable
… don't continually try to pop your joints (i.e., crack your knuckles). This practice tends to create hypermobility and can lead to instability of the joint.Yoga Journal
There is evidence that hypermobility—the loose joints that many musicians have—seems to prevent repetitive-motion injuries.Industry Week
ˌhī-pər-ˈmō-bəl How to pronounce hypermobility (audio)
 also  -ˌbēl
hypermobile joints
a hypermobile patient [=a patient with hypermobile joints]
But for me, retinal damage was a symptom of a connective-tissue disorder, characterized by hypermobile joints and the threat of auditory and visual loss. Richard Lane

Examples of hypermobility in a Sentence

Recent Examples on the Web She was diagnosed in 2021 with a rare form of Ehlers Danlos Syndrome, which affects the connective tissues supporting skin, bones, blood vessels, and other organs and tissues, causing hypermobility. Kristen Philipkoski, Forbes, 29 Feb. 2024 Most people with Ehlers-Danlos syndrome have an unusually large range of motion in their joints (known as hypermobility), along with skin that’s particularly stretchy and fragile. Korin Miller, SELF, 1 Feb. 2024 She was later diagnosed with hypermobility, a genetic condition that causes extreme flexibility to the point of pain, according to the Cleveland Clinic. Emily St. Martin, Los Angeles Times, 15 July 2023 Charlotte Webber, an obvious pun, has Ehlers-Danlos Syndrome which causes hypermobility and extreme flexibility, along with resultant sores, bruising and additional injuries. Dan Gvozden, The Hollywood Reporter, 4 June 2023 The list includes a hypermobility rating, known as the Beighton Score. Sarah Lazarus, CNN, 24 Dec. 2022 Studies have suggested that growing pains may be the result of issues related to anatomy (hypermobility, knock knees or low-bone-mineral density, for example), psychological issues such as stress, vascular issues such as skeletal blood flow and metabolic problems such as low vitamin D levels. Elizabeth Chang, Washington Post, 15 Sep. 2022 Anxiety is very common in patients with hypermobility issues, says Bluestein, which can cloud the picture. Sarah Lazarus, CNN, 24 Dec. 2022 Symptoms can include gastrointestinal issues, joint hypermobility, and chronic muscle and bone pain. Korin Miller, Health.com, 4 Oct. 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hypermobility.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of hypermobility was in 1896

Dictionary Entries Near hypermobility

Cite this Entry

“Hypermobility.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypermobility. Accessed 25 Apr. 2024.

Medical Definition


hy·​per·​mo·​bil·​i·​ty ˌhī-pər-mō-ˈbil-ət-ē How to pronounce hypermobility (audio)
plural hypermobilities
: an increase in the range of movement of which a body part and especially a joint is capable
hypermobility of the left temporomandibular joint due to the looseness of the capsular ligamentsW. B. Farrar
hypermobile adjective
Last Updated: - Updated example sentences
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