hy·​po·​to·​nia ˌhī-pə-ˈtō-nē-ə How to pronounce hypotonia (audio)
: the state of having hypotonic muscle tone

Examples of hypotonia in a Sentence

Recent Examples on the Web Symptoms include agitation, hypertonia (too much muscle tone resulting in stiffness), hypotonia (too little muscle tone resulting in floppiness), tremors, drowsiness, and more. Korin Miller, SELF, 17 Jan. 2019 Just months after being born, Jace Pitre was diagnosed with hypotonia, a condition known as floppy baby syndrome that causes low muscle tone and affects the lungs and heart. Mike Candelaria, OrlandoSentinel.com, 21 June 2018 This could be due in part to what’s known as muscular hypotonia, or a lower than normal muscle tone. Amber Brenza, SELF, 31 Mar. 2018

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

Word History


New Latin

First Known Use

circa 1886, in the meaning defined above

Time Traveler
The first known use of hypotonia was circa 1886

Dictionary Entries Near hypotonia

Cite this Entry

“Hypotonia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypotonia. Accessed 25 Sep. 2023.

Medical Definition


hy·​po·​to·​nia ˌhī-pə-ˈtō-nē-ə, -pō- How to pronounce hypotonia (audio)
: abnormally low pressure of the intraocular fluid
: the state of having hypotonic muscle tone
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