hyperacute
adjective
hy·per·acute
ˌhī-pər-ə-ˈkyüt 
variants
or hyper-acute
: 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
Arlene Judith KlotzkoExamples of hyperacute in a Sentence
Recent Examples on the Web
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
Some edits disabled three genes involved in hyperacute rejection, which occurs minutes after a transplant when the recipient’s immune system recognizes the new organ as foreign.
—Emily Mullin, WIRED, 11 Oct. 2023
Everything that’s matchless about Raban’s work — his hyperacute eye for detail, his powers of synthesis, his mordant sense of humor, his vast reservoirs of knowledge and his love of travel — is there.
—Mary Ann Gwinn, Los Angeles Times, 19 Sep. 2023
Newton is a logical thinker and a hyperacute observer, with a prodigious memory and a lacerating honesty.
—Mary Ann Gwinn, Los Angeles Times, 24 Mar. 2022
In hyperacute rejection, large blood clots rapidly form, obstructing the blood supply of the donor organ.
—Rivka Galchen, The New Yorker, 21 Feb. 2022
The first and most dangerous hurdle is hyperacute rejection.
—Megan Molteni, STAT, 24 Jan. 2022
The transplantation itself went smoothly: the kidneys showed no signs of hyperacute rejection and even began to function.
—Joanna Thompson, Scientific American, 20 Jan. 2022
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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
Some edits disabled three genes involved in hyperacute rejection, which occurs minutes after a transplant when the recipient’s immune system recognizes the new organ as foreign.
—Emily Mullin, WIRED, 11 Oct. 2023
Everything that’s matchless about Raban’s work — his hyperacute eye for detail, his powers of synthesis, his mordant sense of humor, his vast reservoirs of knowledge and his love of travel — is there.
—Mary Ann Gwinn, Los Angeles Times, 19 Sep. 2023
Newton is a logical thinker and a hyperacute observer, with a prodigious memory and a lacerating honesty.
—Mary Ann Gwinn, Los Angeles Times, 24 Mar. 2022
In hyperacute rejection, large blood clots rapidly form, obstructing the blood supply of the donor organ.
—Rivka Galchen, The New Yorker, 21 Feb. 2022
The first and most dangerous hurdle is hyperacute rejection.
—Megan Molteni, STAT, 24 Jan. 2022
The transplantation itself went smoothly: the kidneys showed no signs of hyperacute rejection and even began to function.
—Joanna Thompson, Scientific American, 20 Jan. 2022
Cite this Entry
“Hyperacute.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperacute. Accessed 20 May. 2025.
Copy CitationMedical Definition
hyperacute
adjective
hy·per·acute
ˌhī-pə-rə-ˈkyüt
: 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
Arlene Judith Klotzko, Scientific AmericanLove words? Need even more definitions?
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