# coauthor

/ˈkoʊˈɑθɝ/ (US) · CEFR B2 · Noun

Source: https://englishreference.com/word/coauthor
Updated: 2026-10-19

## Definition

a person who writes a book, article, or paper together with one or more other people.

For teachers: a person who collaborates with one or more others in writing a book, article, or other work. Shares responsibility for authorship and content.

## Examples

- She and her friend are coauthors of a children's book.
- The two professors are listed as coauthors on the study about climate change and city planning.
- As coauthor of the landmark genetics paper, she defended the methodology during peer review while her colleague addressed the statistical analysis.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.