a lack of communication between one generation and another, especially between young people and their parents, brought about by differences of tastes, values, outlook, etc.
Origin of generation gap
First recorded in 1965–70
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for generation gap
the years separating one generation from the generation that precedes or follows it, esp when regarded as representing the difference in outlook and the lack of understanding between them
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
generation gap in Culture
The differences in customs, attitudes, and beliefs between any two generations, but especially between youths and adults.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Idioms and Phrases with generation gap
A broad difference in values and attitudes between one generation and another, especially between parents and their children. For example, There's a real generation gap in their choice of music, restaurants, clothing—you name it. [1960s”
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.