Definition of the beat generation noun from the Oxford Advanced Learner's Dictionary

 

the beat generation

 noun
noun
BrE
 
; NAmE
 
[singular]
 
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a group of young people in the 1950s and early 1960s who rejected the way most people lived in society, wanted to express themselves freely, and liked modern jazz Culture The beat generation tried to find a different style of living, becoming interested in eastern religions and new forms of writing. The movement began in the US and included such writers as Jack Kerouac and Allen Ginsberg
See the Oxford Advanced American Dictionary entry: the beat generation