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So instead of serving your family, friends and even co-workers outdated, calorie-laden foods, treat them to this new cuisine.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

• associate
• colleague
• confrere
• confrère

Examples of coworker in a Sentence

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

Recent Examples on the Web

Pam hid the bruises on her arms, legs and face from her coworkers and family. —Laura Trujillo, USA Today, 27 June 2025

She’s only been a cop for a few years, and this new assignment does not seem good for her career, but someone in the police department has shuffled her off to arson investigations, likely due to her history of bad decisions, including an affair with a toxic coworker who is also her boss. —Nina Metz, Chicago Tribune, 25 June 2025

Emily, a close friend and coworker of Alyss's, had been present when Aaliyah brought it up. —Ashley Vega, People.com, 24 June 2025

Read was accused of running her boyfriend over with her SUV in 2022 outside a party at the home of O’Keefe’s former coworker as their romance was deteriorating. —Brian Niemietz, New York Daily News, 19 June 2025

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