1
: of, relating to, or functioning as a vestibule
2
: of, relating to, or affecting the perception of body position and movement
the vestibular system of the inner ear

Examples of vestibular in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That said, studies suggest that these very low-frequency sound waves may affect the brain, heart, and vestibular system (which controls balance). Mark Gurarie, Verywell Health, 3 June 2026 The vestibular system, meanwhile, is working hard to maintain balance on a surface that may be precarious. Scott Travers, Forbes.com, 4 May 2026 These signs can vary widely and include disorientation, various nerve deficits, loss of vision, vestibular signs leading to loss of balance, neck and back pain, and even seizures. Dr. John De Jong, Boston Herald, 28 Sep. 2025 Optimally, any disagreement between your vestibular senses and your brain’s expectations would be small. Taylor Lonner, The Conversation, 21 Oct. 2025 See All Example Sentences for vestibular

Word History

First Known Use

circa 1839, in the meaning defined at sense 1

Time Traveler
The first known use of vestibular was circa 1839

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Cite this Entry

“Vestibular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vestibular. Accessed 8 Jul. 2026.

Medical Definition

vestibular

adjective
1
: of or relating to the vestibule of the inner ear, the vestibular system, the vestibular nerve, or the vestibular sense
vestibular impulses
2
: lying within or facing the vestibule of the mouth
the vestibular surface of a tooth
vestibularly adverb
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