Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun mifepristone

1 sense of mifepristone

Sense 1
abortion pill, mifepristone, RU 486 -- (an abortion-inducing drug (trade name RU 486) developed in France; when taken during the first five weeks of pregnancy it blocks the action of progesterone so that the uterus sloughs off the embryo)
       => abortifacient, aborticide, abortion-inducing drug -- (a drug (or other chemical agent) that causes abortion)