Of or relating to a contraceptive that may be effective up to several days after sexual intercourse has taken place.(adjective)
The after-effects of a drinking session; a hangover.(noun)
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Use "morning-after" in a sentence
"The move inserted the Obama administration into the long-running controversy over how much the federal government should restrict access to Plan B, a so-called morning-after pill that can stop pregnancy up to three days after intercourse."
"I'm giving a big chanclaso to President Obama and Health and Human Services Secretary Kathleen Sebelius for ruling that Plan B, also known as the morning-after pill, will not be available over the counter to everyone, as recommended by the Food and Drug Administration."
"That includes the pill, intrauterine devices, the so-called morning-after pill, and newer forms of long-acting implantable hormonal contraceptives that are becoming widely used in the rest of the industrialized world."