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Synonyms

coworker

American  
[koh-wur-ker, koh-wur-] / ˈkoʊˌwɜr kər, koʊˈwɜr- /

noun

  1. a fellow worker; colleague.


Usage

What does coworker mean? A coworker is your fellow employee, especially a person you work closely with. The words worker and coworker both refer to paid employees. Even if you work closely with your fellow students or volunteers, you would not call them your coworkers. Example: I spent most of my first day meeting my coworkers who work in the same department.

Etymology

Origin of coworker

First recorded in 1635–45; co- + worker

Compare meaning

How does coworker compare to similar and commonly confused words? Explore the most common comparisons:

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A coworker told me she invested about $6,000 and it’s already up to $12,000.

From MarketWatch • Apr. 20, 2026

A coworker urged her to not speak out again, she said, but she ended up losing her job after the contractor stopped calling her.

From Los Angeles Times • Apr. 17, 2026

That Russell was a beloved son, brother, friend and coworker comes through fiercely in Patricia E. Gillespie’s film, as does the utterly bewildered state in which Russell’s action left his family, friends and colleagues.

From The Wall Street Journal • Apr. 9, 2026

I can’t speak for your coworker as to his reasoning but the converse of what I just wrote gives hints as to why some people may leave their funds with their former employer’s plan.

From MarketWatch • Jan. 15, 2026

Dad’s coworker had brought back a chocolate bar from his business trip, and I was dying to try it.

From "Keep It Together, Keiko Carter" by Debbi Michiko Florence