a condition affecting a group of persons, characterized by excitement or anxiety, irrational behavior or beliefs, or inexplicable symptoms of illness.
Why is Catholic Church changing its official Mass?
This weekend the Catholic Church is changing the required English-language Mass. This is a big deal because it is the third time in the 1700-year history of the Church that the Mass is being formally changed, according to the Lexington Herald-Leader. First let’s review a brief history of the Catholic Church. The Church and its sacred documents were codified at the Council of Nicaea in …
Salem witch trials
Read more in this article about some frequently asked questions and fun facts related to our definitions.
Origin of mass hysteria
First recorded in 1930–35
Also called epidemic hysteria.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Spontaneous, en masse development of identical physical or emotional symptoms among a group of individuals, as in a classroom of schoolchildren.
A socially contagious frenzy of irrational behavior in a group of people as a reaction to an event.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.