bio

The word “bio” means (informal) A short written account of a person's life or background, especially online. In plain terms, a short profile blurb about a person, or informal shorthand for "biological/organic.".

“Bio” is pronounced BEYE-oh (/ˈbaɪoʊ/ in IPA).

Here is “bio” used in a sentence: “She updated her Instagram bio with a new job title.”

Depending on how it is used, “bio” can be a noun and an adjective.

“Bio” is a fairly common word in modern English, usually learned at around the B2 level.

“Bio” has 2 distinct senses listed in this dictionary. The most common is: (informal) A short written account of a person's life or background, especially online.

A bio is a short, informal account of a person's life or background — the few lines on a social media profile, an author page, or a conference program. A biography is a full-length, detailed account of someone's life, often an entire book. Bio began as a clipped form of biography but now specifically suggests something brief.

A bio is written as flowing prose — a short narrative of who someone is, what they do, and what they have done. A resume (or CV) is a structured document listing jobs, dates, education, and skills, designed for job applications. Speakers are introduced with a bio; candidates are screened with a resume.

Bio is informal but broadly accepted in professional contexts such as conference programs, company websites, and social profiles, where 'short bio' is the standard request. In formal or academic prose, 'biographical note' or 'biography' remains the safer choice. The plural is bios, with no apostrophe.