coworker

noun

co·​work·​er ˈkō-ˌwər-kər 

variants or co-worker

plural coworkers or co-workers

: one who works with another : a fellow worker

went out for drinks with her coworkers after work

So instead of serving your family, friends and even co-workers outdated, calorie-laden foods, treat them to this new cuisine.

—Charlotte Lyons

Synonyms of coworker

• colleague

Examples of coworker in a Sentence

my coworkers and I often send facetious e-mails to one another

Recent Examples on the Web

Publicly, his expressions of exasperation are a common sight as his Rockets coworkers brick shots or both defensive rotations. —Joseph Dycus, Mercury News, 5 Mar. 2026

Another protective order was filed by his ex-wife’s male coworker, who Culleton was allegedly stalking and threatening. —Tim Dunn, Boston Herald, 3 Mar. 2026

Bejarano came to the event dressed in an inflatable cow costume that matched the costumes of her coworker and coworker’s daughter. —Madeline King, Chicago Tribune, 1 Mar. 2026

Finish off your party spread or surprise your coworkers with these on-theme frosted sugar cookies. —Michele Laufik, Martha Stewart, 27 Feb. 2026

Word History

First Known Use

1591, in the meaning defined above

Rhymes for coworker

• caseworker
• farmworker
• woodworker
• worker

Kids Definition

coworker

noun

co·​work·​er

ˈkō-ˌwər-kər

: a fellow worker