Final answer:
Generation X is not known as the lost generation. The lost generation refers to writers who came of age during World War I.
Step-by-step explanation:
Generation X is not known as the lost generation. The term 'lost generation' actually refers to the group of writers who came of age during World War I and expressed their disillusionment with the era. This group of writers, including F. Scott Fitzgerald, Ernest Hemingway, and Sinclair Lewis, felt alienated from society and criticized the middle class in their work. They are known as the Lost Generation.