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So instead of serving your family, friends and even co-workers outdated, calorie-laden foods, treat them to this new cuisine.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

The woman, wearing a Star of David necklace, ran to safety and fled to the school, where a coworker contacted police. —Doug Myers, CBS News, 10 Dec. 2025

But what looks efficient on paper, Glassdoor warns, creates a slow-bleed culture in which coworkers quietly disappear, workloads creep up for survivors, and no one ever feels truly safe in their role. —Nick Lichtenberg, Fortune, 9 Dec. 2025

The latest support comes from Dano’s soon-to-be coworker, Patrick Schwarzenegger, who was just announced to be co-starring alongside him in the upcoming psychological thriller Bunker from Oscar-winner Florian Zeller. —Alejandra Gularte, Vulture, 9 Dec. 2025

The coworkers caught canoodling at a Boston concert dived out of sight—but not in time to prevent the clip from going massively viral (and costing them both their jobs). —Alex Apatoff, PEOPLE, 8 Dec. 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