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So instead of serving your family, friends and even co-workers outdated, calorie-laden foods, treat them to this new cuisine.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

How do your efforts contribute to a positive work environment? Be intentional about offering support—this could mean mentoring a newer coworker or simply being available to help brainstorm solutions during meetings. —Glenn Llopis, Forbes, 23 Mar. 2025

Marie died in December 2017 at 94. 04 of 09 Morey Amsterdam as Buddy Sorrell After playing Rob Petrie's coworker, Buddy Sorrell, Morey Amsterdam worked on the writing team for Your Show of Shows. —Angela Andaloro, People.com, 23 Mar. 2025

The intruder turned out to be Cristian Duran-Contreras, a coworker with whom Lopez and other friends shared beers earlier that evening. —Cristóbal Reyes, Orlando Sentinel, 20 Mar. 2025

The shooter was allegedly a coworker known to the victim, and the victim was able to identify him to the police. —Pilar Arias, Fox News, 20 Mar. 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