folie á deux
[ fô-lē′ ä dœ′, fŏl′ē ]
A condition in which symptoms of a mental disorder occur simultaneously in two individuals who share a close relationship or association.
Is Irregardless A Word?Few words draw the ire of grammarians as swiftly as irregardless. The term has been in use in English for over a century, but whether or not it’s a “real word” or one you should use in daily conversation continues to be the subject of debate. Irregardless is a nonstandard synonym for regardless, which means “without concern as to advice, warning, or hardship,” or “heedless.” …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.