coauthor

noun

co·​au·​thor (ˌ)kō-ˈȯ-thər 

variants or co-author

plural coauthors or co-authors

: one who collaborates with another person in authoring a literary or dramatic work, a document, a legislative bill, etc.

coauthors of many books and plays

the coauthors of new legislation

coauthor transitive verb

or co-author

coauthored or co-authored; coauthoring or co-authoring

… he coauthored legislation … requiring the publication on the Internet of the cost of all federal contracts, grants, and congressional "earmarks,"…

—Michael Tomasky

a co-authored book

coauthorship

(ˌ)kō-ˈȯ-thər-ˌship 

noun

or co-authorship

… accepting coauthorship on studies to which they did not significantly contribute.

—Mary Murray

Examples of coauthor in a Sentence

Recent Examples on the Web

The coauthors point to deep sea mining — but not in a good way. —Paul Smaglik, Discover Magazine, 3 Feb. 2025

Russell Vought, one of the blueprint’s coauthors, is Trump’s nominee to lead the office that issued the new order. —Nicholas Kusnetz, WIRED, 29 Jan. 2025

Study coauthor Marta Díaz-Guardamino, an associate professor in archaeology at Durham University in the United Kingdom, said many of the beads appeared aligned in rows that covered large areas of the bodies, suggesting the beads formed some kind of attire. —Katie Hunt, CNN, 29 Jan. 2025

Large capacity Self-cleaning mode BPA-free Can make hot soups Expensive Not dishwasher-safe James D. Perko Sr., executive chef for the Cleveland Clinic and coauthor of National Geographic’s The What to Eat When Cookbook, uses the 5200 series at home. —Kristin Canning, SELF, 29 Jan. 2025

Word History

First Known Use

1827, in the meaning defined above

Kids Definition

coauthor

noun

co·​au·​thor

(ˈ)kō-ˈȯ-thər

: an author who works with another author