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So instead of serving your family, friends and even co-workers outdated, calorie-laden foods, treat them to this new cuisine.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

If a coworker interrupts, state your plan and circle back later. —Tarot.com, New York Daily News, 19 Feb. 2026

The team would also have the privilege to call her coworker. —Marvin Hurst, CBS News, 18 Feb. 2026

Another coworker said Dorgan appeared to be split on the issue of transgender acceptance, one second being proud of transitioning and the next, embarrassed. —Kimberlee Kruesi, Chicago Tribune, 17 Feb. 2026

At the office, constantly gushing about your spouse or new romantic interest can be cringe-inducing for your coworkers. —Orianna Rosa Royle, Fortune, 13 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