Synonyms:
* Autobiography: A person's account of their own life.
* Life story: A general term for a narrative about someone's life.
* Memoir: A personal account of a specific period or theme in someone's life, often with a focus on personal experiences and reflections.
* History: (In a broad sense) A written account of the past, which can encompass a person's life.
Antonyms:
It's tricky to find a direct antonym for "biography," as it's a specific genre. However, we can consider concepts that are opposite in nature:
* Fiction: A made-up story, as opposed to a factual account of someone's life.
* Autofiction: A fictionalized account of the author's own life, blurring the lines between reality and imagination.
* Obituary: A brief account of someone's life written after their death, often focusing on their achievements. (While an obituary is a form of writing about a person's life, it is not a full biography.)
Note: "Biography" is inherently about a real person's life. Antonyms are best understood in the context of the concept of a true story versus a fabricated one.