The definition of an autobiography is someone's life story written by that person.
Dreams from My Father by Barack Obama is an example of an autobiography.
- the art or practice of writing one's own biography
- the story of one's own life written or dictated by oneself
Origin of autobiographyauto- + biography: coined (1809) by Robert Southey
The biography of a person written by that person.
- au′to·bi′o·graph′ic au′to·bi′o·graph′i·cal
(countable and uncountable, plural autobiographies)
auto- + biography