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

Giannoulias was a coauthor of the Illinois Food Safety Act, which passed the Illinois Senate and is currently before the House of Representatives. Tired of waiting for the FDA, other states have also acted. —Sandee Lamotte, CNN, 11 Mar. 2025

Ryan Clark, a coauthor and finance Ph.D. candidate at the University of Kansas, calls out that even within individual companies, short interest often barely changes when executives start railing against short sellers. —Brandon Kochkodin, Forbes, 5 Mar. 2025

The results highlight the need for food safety improvements, Stanton Cope, consumer watchdog associate at PIRG and coauthor of the report, told Health. —Elizabeth Yuko, Health, 1 Mar. 2025

Kat Kramer, coauthor of the report and a climate policy consultant for the nonprofit, said the findings, and those of Climate Central, expose the industry’s vulnerability to climate change. —Ayurella Horn-Muller, WIRED, 22 Feb. 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