hyperacute

adjective

hy·​per·​acute ˌhī-pər-ə-ˈkyüt How to pronounce hyperacute (audio)
variants or hyper-acute
Synonyms of hyperacutenext
: extremely or excessively acute
a hyperacute sensitivity to light
… the problem of hyperacute rejection—a violent immune response that can destroy a transplanted organ in minutes …— Arlene Judith Klotzko

Examples of hyperacute 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.
Southmead Hospital, about an hour's drive from Gatcombe Park, specializes in major trauma, neurosciences, a hyperacute stroke unit, renal medicine, vascular surgery, urology, plastic surgery, burns and infectious diseases, according to a palace statement. — Stephanie Nolasco, Fox News, 7 Feb. 2025 The hub is esteemed as the regional specialist intensive care unit for major trauma, neurosciences, hyperacute stroke unit, renal medicine, vascular surgery, urology, plastic surgery, burns and infectious diseases, a palace statement said. — Janine Henni, People.com, 6 Feb. 2025

Word History

First Known Use

1823, in the meaning defined above

Time Traveler
The first known use of hyperacute was in 1823

Browse Nearby Words

hyperacuity
hyperacute
hyperaesthesia
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Cite this Entry

“Hyperacute.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperacute. Accessed 29 Mar. 2025.

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Medical Definition

hyperacute

adjective
hy·​per·​acute ˌhī-pə-rə-ˈkyüt How to pronounce hyperacute (audio)
: extremely or excessively acute
hyperacute hearing
And the problem of hyperacute rejection—a violent immune response that can destroy a transplanted organ in minutes—seems to have been solved for pig organs.— Arlene Judith Klotzko, Scientific American

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