a person born during a baby boom, especially one born in the U.S. between 1946 and 1965.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for baby-boomer
As long as we have baby-boomer nostalgia and Internet gossip, the tendencies to idolize or vandalize will be indulged.
It is a product of the baby-boomer ethos, and if a sense of inevitability has dissipated, good riddance.American Dream May Have Waned for Some, But Lives On for Many|Zachary Karabell|July 3, 2012|DAILY BEAST
British Dictionary definitions for baby-boomer
a person born during a baby boom, esp (in Britain and the US) one born during the years 1945–55
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