Definition of "youthquake" []

• A noticeable shift in society or culture in response to the activities or tastes of younger members of the culture. (noun)

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• "From 1965 to 1971, it was the center of the so-called youthquake, representing the best of new thinking in the social sciences, in psychodynamics, in systems theories."
• "Baby boomers can remember with a shudder all those psychedelicized, lets-try-and-be-hip Hollywood "youthquake" movies in the late '60s."
• "Life has never been the same since that "youthquake" of forty years ago."