ˌLost Geneˈration, the BrE AmE
1 . the young men who were killed in World War I, who could have been successful in art, science, literature etc
2 . all the people who became adults during or just after World War I, and who suffered great social and emotional disadvantages as a result
3 . a group of US writers who grew up during World War I, such as Ernest ↑ Hemingway and F. Scott ↑ Fitzgerald , and who went to live in Paris in the 1920s