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 species of fungus that infected the prehistoric ant may be an ancestor of zombie-ant fungi, and thus likely controlled its host’s body in similar ways, said study coauthor João Araújo, mycology curator and assistant professor at the Danish Natural History Museum. —Katie Hunt, CNN Money, 24 June 2025

Silver is the coauthor of an editorial published with the paper that calls for change in how cannabis is viewed by health professionals, regulatory bodies and the public at large. —Cnn.com Wire Service, Mercury News, 18 June 2025

Hair, skin, claws and entire stomach contents can survive eons under the right conditions, said study coauthor Dr. Nathan Wales, senior lecturer in archaeology at the University of York in England. —Ashley Strickland, CNN Money, 14 June 2025

One the 2024 preprint coauthors refuted the idea that their research found myocarditis and pericarditis were caused by the COVID shots, rather than COVID infection, noting that the study did not compare outcomes between people who were vaccinated and those infected with the COVID virus. —Jackie Fortiér, NPR, 13 June 2025

Word History

First Known Use

1827, in the meaning defined above

Rhymes for coauthor

• author

Kids Definition

coauthor

noun

co·​au·​thor

(ˈ)kō-ˈȯ-thər

: an author who works with another author