mifepristone
noun
mi·fep·ris·tone
ˌmi-fə-ˈpri-ˌstōn 
mi-ˈfe-pri-ˌstōn
: a drug C29H35NO2 taken orally to induce abortion especially early in pregnancy by blocking the body's use of progesterone
called also RU-486
Examples of mifepristone in a Sentence
Recent Examples on the Web
In October, the state of Louisiana asked the 5th US Court of Appeals to reinstate the in-person dispensing requirement for mifepristone.
—
Jen Christensen, CNN Money, 8 May 2026
In a 2024 case, the Supreme Court unanimously upheld the FDA’s rule allowing mifepristone to be prescribed online and shipped nationwide, ruling that the group that sued over the rule, the Alliance for Hippocratic Medicine, did not have proper standing to file the legal challenge.
—Jack Birle, The Washington Examiner, 8 May 2026
That changed during the COVID-19 pandemic — as telemedicine expanded dramatically, FDA began to allow mifepristone to be dispensed at a local pharmacy or through the mail.
—Selena Simmons-Duffin, NPR, 7 May 2026
Trump to simply have the FDA remove its approvals of mifepristone, but Trump ain’t that dumb.
—Los Angeles Times, 7 May 2026
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Jen Christensen, CNN Money, 8 May 2026
In a 2024 case, the Supreme Court unanimously upheld the FDA’s rule allowing mifepristone to be prescribed online and shipped nationwide, ruling that the group that sued over the rule, the Alliance for Hippocratic Medicine, did not have proper standing to file the legal challenge.
—Jack Birle, The Washington Examiner, 8 May 2026
That changed during the COVID-19 pandemic — as telemedicine expanded dramatically, FDA began to allow mifepristone to be dispensed at a local pharmacy or through the mail.
—Selena Simmons-Duffin, NPR, 7 May 2026
Trump to simply have the FDA remove its approvals of mifepristone, but Trump ain’t that dumb.
—Los Angeles Times, 7 May 2026
See All Example Sentences for mifepristone
Cite this Entry
“Mifepristone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mifepristone. Accessed 9 May. 2026.
Copy CitationMedical Definition
mifepristone
noun
mi·fep·ris·tone
ˌmi-fə-ˈpris-ˌtōn
mi-ˈfep-ri-ˌstōn
mi-ˈfep-ri-ˌstōn
: a drug C29H35NO2 taken orally to induce abortion especially early in pregnancy by blocking the body's use of progesterone
called also RU-486
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