Advertisement - Continue reading below

Definition of "morning-after pill" []

  • A pill containing a drug, especially an estrogen or estrogen substitute such as diethylstilbestrol, that prevents implantation of a fertilized ovum and is therefore effective as a contraceptive after sexual intercourse. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "morning-after pill" in a sentence
  • "Her opinion that ‘The morning-after pill is a pedophile’s best friend’ gives a fair idea of her powers of reasoning, and she fully lived up to expectation during our interview."