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
Four years later, Bakker met Lori Graham while working in the inner-city ministry of the Dream Center of Los Angeles, according to his official bio.—
Ronnie Glassberg,
CNN Money,
6 Oct. 2026 As the cost of petrochemical feedstocks for virgin synthetics rises by as much as 60 percent or more, the price difference between virgin and bio-based options is getting smaller.—
Arthur Zaczkiewicz,
Footwear News,
5 Oct. 2026 Clearly he hasn’t been flooded with offers since that accolade, so his agent has set him up with Lady Isabella, who claims to have a Netflix commission for a bio-doc about her life.—
Guy Lodge,
Variety,
2 Oct. 2026 Jack Modrzejewski worked on the state and local affairs teams at LA28, supporting government relations and stakeholder engagement in preparation for the 2028 Olympic and Paralympic Games, according to his LinkedIn bio.—
Clara Harter,
Los Angeles Times,
28 Sep. 2026 See All Example Sentences for bio