In a library, the word biography refers both to a kind of book and to a section where books of that kind are found. Each biography tells the story of a real person's life. A biography may be about someone who lived long ago, recently, or even someone who is still living, though in the last case it must necessarily be incomplete. The term autobiography refers to a biography written by the person it's about. Autobiographies are of course also necessarily incomplete.
Sometimes biographies are significantly shorter than a book—something anyone who's been asked to submit a biography for, say, a conference or a community newsletter will be glad to know. Often the word in these contexts is shortened to bio, a term that can be both a synonym of biography and a term for what is actually a biographical sketch: a brief description of a person's life. These kinds of biographies—bios—vary, but many times they are only a few sentences long. Looking at bios that have been used in the same context can be a useful guide in determining what to put in your own.
Noun
you can read a bio of the author on her home page
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Noun
The book also acts as a reparative rejoinder to Joseph McBride’s highly critical Capra bio The Catastrophe of Success, which was released in 1992, a year after the director’s death.—
Gary Baum,
HollywoodReporter,
27 Oct. 2026 Shuford is board-certified in internal medicine and infectious diseases and received her medical degree from the University of Texas Southwestern Medical School, according to her bio on the CDC website.—ABC News,
27 Oct. 2026 Today, both children are adults, with Jaden being selected by the MLB Draft League in 2024 and Jaz working as a fitness trainer, per her Instagram bio.—
Kelly Allen,
PEOPLE,
22 Oct. 2026 That's all from her Instagram bio and there's no mention of being a model for her own clothing brand in there.—
Sean Joseph Outkick,
FOXNews.com,
21 Oct. 2026 See All Example Sentences for bio